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Due to Thanksgiving and the holiday rush, our current handling time is approximately 4–5 business days. We sincerely appreciate your patience and understanding. We truly appreciate your business and are thankful for another great year serving our customers. If you have any questions or concerns, please contact us—our team is working as hard as possible to ship all orders promptly.
Due to Thanksgiving and the holiday rush, our current handling time is approximately 4–5 business days. We sincerely appreciate your patience and understanding. We truly appreciate your business and are thankful for another great year serving our customers. If you have any questions or concerns, please contact us—our team is working as hard as possible to ship all orders promptly.

Pro-X

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14-25 Yamaha YFZ450R/X ProX Crank Rod Kit 03.2444 Pro X Connecting Rod Kit JAPAN

Pro-X

03.2444, 8729, PSR8808A, PSR8802A, 06.3662.8, RA-40010, P4086-R, P249, 22.364523F-1, B162, 06.3662.8, 193564291295,Shop the ProX 03.2444 Heavy Duty...

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$45.82
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$41.24
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$41.24

18-23 Honda CRF250R CRF 250X RX Crankshaft Main Bearing Pro-X ProX 23.SX06C62V1

Pro-X

WORKS ON ALL 2018-2023 HONDA CRF 250R X  YEAR MAKE MODELSOne Pro-X replacement bearingReplaces OEM part number 91001-K95-A21High quality, as good a...

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$41.24
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$197.33
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$197.33
$177.60
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$177.60

19-24 Kawasaki KX450 KX 450 Pro X Pro-X Piston Kit 96mm 95.99mm 12.5:1 01.4429.C

Pro-X

ProX Piston Kit Kawasaki KX450 KX 450 '19-24 12.5:1 96mm (95.99mm)ProX Racing Parts Piston Kit KX450 ’19-24 12.5:1 96mm (95.99mm)FITS 19-24 KX450,...

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$177.60
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$177.60
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$133.78
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$133.78
$119.89
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$119.89

400EX 400X XR400 ProX Pro X Valves Kibblewhite Red Stem Seals Intake Exhaust Kit

Pro-X

28.1495-2, 28.1495-1,14711-KCY-670,14721-KCY-670,12209-KL4-005,30-3115,30-3117,8400003-2, 8400003-1,VES003,VIS003,X2VEK16000,X2VIK16000Is your Hond...

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$119.89
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$119.89
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$36.64
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$36.64
$32.98
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$32.98

84-01 Honda CR500R CR 500R Koyo C3 Pro-X ProX Crank Main Bearing 23.6328C3 JAPAN

Pro-X

ProX Racing Parts Crankshaft Bearing 6328/C3 8-Ball 28x68x18ProX Part # 23.6328C3Fits Honda CR500R '84-01 Replaces OEM No: 91009-HC0-003 / 91001-KK...

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$32.98
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$32.98
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$32.98

84-07 Honda CR250R CR 250R Koyo C3 Pro-X ProX Crank Main Bearing 23.6328C3 JAPAN

Pro-X

ProX Racing Parts Crankshaft Bearing 6328/C3 8-Ball 28x68x18ProX Part # 23.6328C3Fits Honda CR250R '84-07 (DOES NOT FIT CRF250R)Replaces OEM No: 91...

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$32.98
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$32.98
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$38.89
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$38.89

85 86 Honda ATC250R ATC 250R Main Crankshaft Bearings SKF & ProX Crank Seals Kit

Pro-X

91003-961-008, 91009-HC0-003, 91003-KA4-771, 42.1365, 91202-HA2-771, 91202-444-023, 41.1-HA2771, 41.1-KA4004, 193564342256Crank Up Your 250R's Perf...

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$38.89
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$38.89
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$69.95
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$59.98
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$59.98

85-00 Honda XR600R XR 600 R ProX Crankshaft Crank Main Bearing Pro X 23.6307/18

Pro-X

23.6307/18,91001-MN1-671,91001-MG2-008,193564312846ProX Racing Parts Crankshaft Bearing XR/XL500-600 ’85-00ProX Part# 23.6307/18Honda OEM Reference...

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$59.98
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$59.98
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$69.90
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$69.90
$38.89
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$38.89

86-89 Honda TRX250R TRX 250R Main Crankshaft Bearings SKF & ProX Crank Seals Kit

Pro-X

Crank Up Your 250R's Performance With New Main Bearings & Seals!Fits 86-89 Honda TRX250R and 85-86 ATC250R Replace worn crankshaft bearings &am...

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$69.90
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$69.90
$38.89
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$38.89
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$36.64
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$36.64
$32.98
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$32.98

87 88 89 Honda TRX 250R TRX 250R Koyo C3 Pro-X ProX Crank Main Bearing 23.6328C3

Pro-X

ProX Racing Parts Crankshaft Bearing 6328/C3 8-Ball 28x68x18ProX Part # 23.6328C3Fits Honda TRX250R 1987 1988 1989Replaces OEM No: 91009-HC0-003 / ...

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$32.98
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$32.98
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$210.99
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$210.99
$188.89
$188.89 - $188.89
$188.89

87-06 Suzuki LT80 LT 80 BPRATV Top End Rebuild Kit Pro X Piston Gaskets Cylinder

Pro-X

01.3180.000, BPR7HS, 810849, NA-30080T, B1000, 11210-40B01, 12110-40B01-0F0,12140-40B30, 12151-35400, 09263-12023, 09263-12020, 09381-12001, 11141-...

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$188.89
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$188.89
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$199.99
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$199.99
$179.88
$179.88 - $179.88
$179.88

87-06 Suzuki LT80 LT 80 Power Top End Rebuild Kit Pro X Piston Gaskets Cylinder

Pro-X

LT80-CYL / PX-01.3180.000,673M05000, 8282DA, 01.3180.000, BPR7HS, 810849, 09-B000-1, NA-30080T, B1000, 11210-40B01, 12110-40B01-0F0,12140-40B30, 12...

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$199.99
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$199.99
$179.88
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$179.88
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$98.44
$98.44 - $98.44
$98.44
$80.72
$80.72 - $80.72
$80.72

88-00 Kawasaki KX80 KX 80 (79cc) (46.97mm) 47mm ProX Pro X Piston Kit 01.4118.C

Pro-X

ProX Piston Kit Kawasaki KX80 KX 80 '88-00 (79cc) (46.97mm)Part# 01.4118.CGTIN# 193564277367 Pro-X Piston Key features 1. High-quality materials:...

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$98.44
$80.72
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$80.72
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$36.64
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$36.64
$32.98
$32.98 - $32.98
$32.98

88-00 Yamaha YZ250 YZ 250 Koyo C3 Pro-X ProX Crank Main Bearing 23.6328C3 JAPAN

Pro-X

ProX Racing Parts Crankshaft Bearing 6328/C3 8-Ball 28x68x18ProX Part # 23.6328C3Fits Yamaha YZ250 '88-20 2-Stroke Dirt Bikes Replaces OEM No: 9330...

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$36.64
$32.98
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$32.98
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$36.64
$32.98
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$32.98

92-01 Kawasaki KX250 KX 250 Koyo Pro-X Pro X Crank Main Bearing 23.6328 C3 JAPAN

Pro-X

ProX Racing Parts Crankshaft Bearing 6328/C3 8-Ball 28x68x18ProX Part # 23.6328C3Fits Kawasaki KX250 '92-01 Replaces OEM No: 92045-1370 / 1009-HC0-...

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$36.64
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$36.64
$32.98
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$32.98
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$69.99
$69.99 - $69.99
$69.99
$58.89
$58.89 - $58.89
$58.89

96-04 Honda XR400 XR 400R Pro-X Head Rebuild INTAKE Valves KIBBLEWHITE Red Seals

Pro-X

Is your Honda XR400 losing power and performance? These ProX INTAKE valves and Kibblewhite seals are the ultimate upgrade to restore lost horsepowe...

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$69.99
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$69.99
$58.89
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$58.89
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$36.64
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$36.64
$32.98
$32.98 - $32.98
$32.98

96-04 Suzuki RM250 RM 250 Koyo C3 Pro-X ProX Crank Main Bearing 23.6328C3 JAPAN

Pro-X

ProX Racing Parts Crankshaft Bearing 6328/C3 8-Ball 28x68x18ProX Part # 23.6328C3Fits Suzuki RM250 '96-04 Replaces OEM No: 09262-28027 / 92045-1370...

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$36.64
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$36.64
$32.98
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$32.98
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$133.78
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$133.78
$119.89
$119.89 - $119.89
$119.89

96-04 XR400 XR 400R ProX Pro X Head Complete Valves Kit & KIBBLEWHITE Red Seals

Pro-X

28.1495-2, 28.1495-1,14711-KCY-670,14721-KCY-670,12209-KL4-005,30-3115,30-3117,8400003-2, 8400003-1,VES003,VIS003,X2VEK16000,X2VIK16000Is your Hond...

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$133.78
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$133.78
$119.89
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$119.89
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$69.99
$69.99 - $69.99
$69.99
$58.89
$58.89 - $58.89
$58.89

96-04 XR400 XR 400R ProX Pro X Head Rebuild INTAKE Valves KIBBLEWHITE Red Seals

Pro-X

Is your Honda XR400 losing power and performance? These ProX INTAKE valves and Kibblewhite seals are the ultimate upgrade to restore lost horsepowe...

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$69.99
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$69.99
$58.89
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$58.89
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$69.99
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$69.99
$58.89
$58.89 - $58.89
$58.89

99-14 TRX400EX TRX 400EX ProX Pro X Head Rebuild INTAKE Valves KIBBLEWHITE Seals

Pro-X

Is your Honda TRX400EX losing power and performance? These ProX INTAKE valves and Kibblewhite seals are the ultimate upgrade to restore lost horsep...

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$69.99
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$69.99
$58.89
$58.89 - $58.89
$58.89
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$133.78
$133.78 - $133.78
$133.78
$119.89
$119.89 - $119.89
$119.89

99-14 TRX400EX TRX 400EX ProX Pro X Intake Exhaust Valve Kit & KIBBLEWHITE Seals

Pro-X

28.1495-2, 28.1495-1,14711-KCY-670,14721-KCY-670,12209-KL4-005,30-3115,30-3117,8400003-2, 8400003-1,VES003,VIS003,X2VEK16000,X2VIK16000Is your Hond...

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$133.78
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$133.78
$119.89
$119.89 - $119.89
$119.89
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$41.15
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$41.15
$34.44
$34.44 - $34.44
$34.44

Banshee Supercub Cheetah CUB ProX Wrist Pin Bearing Piston Pin Top End Bearings

Pro-X

Pro X, Top End Bearing, 16 x 21 x 22 mmSet of 2 (1 Pair) ProX Piston Wrist-Pin Bearing / Piston Pin Bearing / Top End Bearing / Connecting Rod Smal...

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$41.15
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$41.15
$34.44
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$34.44
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$59.95
$59.95 - $59.95
$59.95
$53.99
$53.99 - $53.99
$53.99

CRF450X '05-17 Crankshaft Crank Main Bearing Pro-X ProX 23.SX06C84 91001-MEY-671

Pro-X

Restore engine smoothness with a ProX Crankshaft Main Bearing (23.SX06C84)! Made by Koyo in Japan to OEM specs for Honda CRF450X (05-17) & Yama...

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$59.95
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$59.95
$53.99
$53.99 - $53.99
$53.99
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Save 11% Save %
$131.46
$131.46 - $131.46
$131.46
$117.58
$117.58 - $117.58
$117.58

DRZ400 DRZ 400 Timing Guide Guides Tensioner Chain Tensioner HD PRO X Cam Chain

Pro-X

FITS ALL SUZUKI LT-Z400 & DR-Z400 MODELS AND YEARS!!Aftermarket Cam chain guide - Replaces OEM Part # 12771-29F00Aftermarket Cam cam chain tens...

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$131.46
$131.46 - $131.46
$131.46
$117.58
$117.58 - $117.58
$117.58
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$133.78
$133.78 - $133.78
$133.78
$119.89
$119.89 - $119.89
$119.89

Honda 400EX 400X XR400 ProX Valve Rebuild Kit Valves Set KIBBLEWHITE Red Seals

Pro-X

28.1495-2, 28.1495-1,14711-KCY-670,14721-KCY-670,12209-KL4-005,30-3115,30-3117,8400003-2, 8400003-1,VES003,VIS003,X2VEK16000,X2VIK16000Is your Hond...

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$133.78
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$133.78
$119.89
$119.89 - $119.89
$119.89
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$43.10
$43.10 - $43.10
$43.10
$38.79
$38.79 - $38.79
$38.79

Honda TRX 400EX XR 400R Crankshaft Crank Main Bearing Pro X ProX 91001-KF0-018

Pro-X

WORKS ON ALL HONDA 99-08 400 EX 12-14 TRX 400X AND 96-04 XR 400R YEAR MAKE MODELSOne Pro-X replacement bearing Part # 23.SCO692C3UPC: 193564317186R...

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$43.10
$43.10 - $43.10
$43.10
$38.79
$38.79 - $38.79
$38.79
Save 10% Save %
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$133.78
$133.78 - $133.78
$133.78
$119.89
$119.89 - $119.89
$119.89

Honda TRX400EX TRX 400EX ProX Head Fix Intake & Exhaust Valves KPMI Red Seal Kit

Pro-X

28.1495-2, 28.1495-1,14711-KCY-670,14721-KCY-670,12209-KL4-005,30-3115,30-3117,8400003-2, 8400003-1,VES003,VIS003,X2VEK16000,X2VIK16000Is your Hond...

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$133.78
$133.78 - $133.78
$133.78
$119.89
$119.89 - $119.89
$119.89
Save 10% Save %
Save 10% Save %
$133.78
$133.78 - $133.78
$133.78
$119.89
$119.89 - $119.89
$119.89

Honda TRX400EX TRX 400EX ProX Pro X Head Rebuild Intake Exhaust Valves KPMI Seal

Pro-X

28.1495-2, 28.1495-1,14711-KCY-670,14721-KCY-670,12209-KL4-005,30-3115,30-3117,8400003-2, 8400003-1,VES003,VIS003,X2VEK16000,X2VIK16000Is your Hond...

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$133.78
$133.78 - $133.78
$133.78
$119.89
$119.89 - $119.89
$119.89
Save 10% Save %
Save 16% Save %
$69.99
$69.99 - $69.99
$69.99
$58.89
$58.89 - $58.89
$58.89

Honda TRX400EX TRX 400EX ProX Pro X Head Rebuild INTAKE Valves KIBBLEWHITE Seals

Pro-X

Is your Honda TRX400EX losing power and performance? These ProX INTAKE valves and Kibblewhite seals are the ultimate upgrade to restore lost horsep...

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$69.99
$69.99 - $69.99
$69.99
$58.89
$58.89 - $58.89
$58.89
Save 16% Save %
Save 10% Save %
$133.78
$133.78 - $133.78
$133.78
$119.89
$119.89 - $119.89
$119.89

Honda XR400 XR 400R OEM Stock Head ProX Intake Exhaust Valves Kibblewhite Seals

Pro-X

28.1495-2, 28.1495-1,14711-KCY-670,14721-KCY-670,12209-KL4-005,30-3115,30-3117,8400003-2, 8400003-1,VES003,VIS003,X2VEK16000,X2VIK16000Is your Hond...

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$133.78
$133.78 - $133.78
$133.78
$119.89
$119.89 - $119.89
$119.89
Save 10% Save %
Save 16% Save %
$69.99
$69.99 - $69.99
$69.99
$58.89
$58.89 - $58.89
$58.89

Honda XR400 XR400R XR 400 Pro X Head Rebuild INTAKE Valves KIBBLEWHITE Red Seals

Pro-X

Is your Honda XR400 losing power and performance? These ProX INTAKE valves and Kibblewhite seals are the ultimate upgrade to restore lost horsepowe...

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$69.99
$69.99 - $69.99
$69.99
$58.89
$58.89 - $58.89
$58.89
Save 16% Save %
Save 14% Save %
$69.95
$69.95 - $69.95
$69.95
$59.98
$59.98 - $59.98
$59.98

Honda XR600 XR 600 Crankshaft Crank Main Bearing Pro-X ProX 23.6307/18 1985-2000

Pro-X

23.6307/18,91001-MN1-671,91001-MG2-008,193564312846ProX Racing Parts Crankshaft Bearing XR/XL500-600 ’85-00ProX Part# 23.6307/18Honda OEM Reference...

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$69.95
$69.95 - $69.95
$69.95
$59.98
$59.98 - $59.98
$59.98
Save 14% Save %
Save 11% Save %
$131.46
$131.46 - $131.46
$131.46
$117.58
$117.58 - $117.58
$117.58

LTZ400 LTZ 400 Timing Guide Guides Tensioner Chain Tensioner HD PRO X Cam Chain

Pro-X

FITS ALL SUZUKI LT-Z400 & DR-Z400 MODELS AND YEARS!!Aftermarket Cam chain guide - Replaces OEM Part # 12771-29F00Aftermarket Cam cam chain tens...

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$131.46
$131.46 - $131.46
$131.46
$117.58
$117.58 - $117.58
$117.58
Save 11% Save %
Save 17% Save %
$197.33
$197.33 - $197.33
$197.33
$163.78
$163.78 - $163.78
$163.78

Pro X Piston Kit Kawasaki KX450X KX 450X '21-24 12.5:1 Stock Bore 96mm (95.98mm)

Pro-X

01.4429.B,13001-0816, 13002-0715, 13008-0555, 92036-008, 92043-4009,40230M09600,MX3033,M3035,M036,40082M09600,40096M09600 M3036 284852 284853,40082...

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$197.33
$197.33 - $197.33
$197.33
$163.78
$163.78 - $163.78
$163.78
Save 17% Save %
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$41.15
$41.15 - $41.15
$41.15
$34.44
$34.44 - $34.44
$34.44

Pro X ProX Banshee 350 Blaster 200 Wrist Pin Bearing Top End Piston Bearing PAIR

Pro-X

Pro X, Top End Bearing, 16 x 21 x 22 mmSet of 2 (1 Pair) ProX Piston Wrist-Pin Bearing / Piston Pin Bearing / Top End Bearing / Connecting Rod Smal...

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$41.15
$41.15 - $41.15
$41.15
$34.44
$34.44 - $34.44
$34.44
Save 16% Save %
Save 24% Save %
$151.02
$151.02 - $151.02
$151.02
$114.78
$114.78 - $114.78
$114.78

Pro X ProX Piston Kit Kawasaki KX250 KX 250 92-04 66.40mm (66.37mm) 01.4322.D

Pro-X

ProX Piston Kit Kawasaki KX250 KX 250 '92-04 66.40mm (66.37mm)Part# 01.4322.DUPC# 193564277954 Pro-X Piston Key features 1. High-quality material...

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$151.02
$151.02 - $151.02
$151.02
$114.78
$114.78 - $114.78
$114.78
Save 24% Save %
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$138.41
$138.41 - $138.41
$138.41
$105.19
$105.19 - $105.19
$105.19

Pro X ProX Pro-X Piston Kit Kawasaki KX250 KX 250 2005-2008 (66.37mm) 66.40mm

Pro-X

ProX Piston Kit Kawasaki KX250 KX 250 '05-08 (66.37mm) Pro-X Piston Key features 1. High-quality materials: Pro-X pistons are made from the fines...

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$138.41
$138.41 - $138.41
$138.41
$105.19
$105.19 - $105.19
$105.19
Save 24% Save %
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$109.51
$109.51 - $109.51
$109.51
$83.23
$83.23 - $83.23
$83.23

Pro X ProX Pro-X Piston Kit Yamaha Blaster YFS200 YFS 200 88-06 66.25mm +0.25mm

Pro-X

ProX Piston Kit Yamaha YFS200 YFS 200 Blaster '88-06 + DT200R "Art" (66.25mm)Pro X Part# 01.2281.025 Pro-X Piston Key features 1. High-quality ma...

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$109.51
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$83.23
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$83.23
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$41.15
$41.15 - $41.15
$41.15
$34.44
$34.44 - $34.44
$34.44

Pro X ProX Yamaha Banshee Wrist Pin Bearing Piston Top End 21.2020 Set of TWO 2

Pro-X

Pro X, Top End Bearing, 16 x 21 x 22 mmSet of 2 (1 Pair) ProX Piston Wrist-Pin Bearing / Piston Pin Bearing / Top End Bearing / Connecting Rod Smal...

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$41.15
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$41.15
$34.44
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$34.44
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$136.94
$136.94 - $136.94
$136.94
$98.87
$98.87 - $98.87
$98.87

Pro-X Pro X Piston Kit Suzuki RM250 RM 250 RM 250 1989-1995 67mm (66.94mm)

Pro-X

ProX Piston Kit Suzuki RM250 RM 250 RM 250 '89-95 (66.94mm)SUZUKI RM250 RM 250 PROX PISTON KIT STD B BORE 1989-1995 01.3310.B Pro-X Piston ...

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$136.94
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$136.94
$98.87
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$98.87
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$123.25 - $123.25
$123.25
$123.25 - $123.25
$123.25

Pro-X Pro X ProX Piston Kit Suzuki RM250 RM 250 RM 250 1989-1995 67mm (66.95mm)

Pro-X

ProX Piston Kit Suzuki RM250 RM 250 RM 250 '89-95 (66.95mm) Pro-X Piston Key features 1. High-quality materials: Pro-X pistons are made from the ...

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$123.25 - $123.25
$123.25
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$123.25
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$70.00
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$70.00
$62.99
$62.99 - $62.99
$62.99

ProX Crankshaft Bearing 23.6306R/3 Suzuki LTZ400 LTZ 400 DRZ 400 MADE IN JAPAN

Pro-X

23.6306R/3, 92045-S054, 09262-30100, K049,193564312815,6306R-3BYR1SH2-9CS42-KOYO,6306R-3BYR1SH2-9CS42Fits all Suzuki LTZ400 & DRZ400 all years ...

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$70.00
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$70.00
$62.99
$62.99 - $62.99
$62.99
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$206.30
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$206.30
$185.67
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$185.67

ProX HiComp Piston Kit Yamaha YFM700R Raptor '06-14 11.0:1 (101.94mm)

Pro-X

ProX HiComp Piston Kit Yamaha YFM700R Raptor '06-14 11.0:1 (101.94mm) Pro-X Piston Key features 1. High-quality materials: Pro-X pistons are made...

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$206.30
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$206.30
$185.67
$185.67 - $185.67
$185.67
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$250.43
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$250.43
$190.33
$190.33 - $190.33
$190.33

ProX High Comp Piston Kit KTM 250 250SX-F '06-12 (13.3:1) (75.97mm)

Pro-X

ProX High Comp Piston Kit KTM 250 250SX-F '06-12 (13.3:1) (75.97mm) Pro-X Piston Key features 1. High-quality materials: Pro-X pistons are made f...

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$250.43
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$250.43
$190.33
$190.33 - $190.33
$190.33
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$149.02
$149.02 - $149.02
$149.02
$147.39
$147.39 - $147.39
$147.39

ProX High Comp Piston Kit Suzuki LT-R450 LTR450 LTR 450 '06-11 13.0:1 (95.47mm)

Pro-X

ProX High Comp Piston Kit Suzuki LT-R450 LTR450 LTR 450 '06-11 13.0:1 (95.47mm) Pro-X Piston Key features 1. High-quality materials: Pro-X pist...

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$149.02
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$149.02
$147.39
$147.39 - $147.39
$147.39
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$214.04
$214.04 - $214.04
$214.04
$192.64
$192.64 - $192.64
$192.64

ProX High Comp Piston Kit Suzuki RM-Z450 RMZ450 RMZ 450 '08-12 13.2:1 (95.96mm)

Pro-X

ProX High Comp Piston Kit Suzuki RM-Z450 RMZ450 RMZ 450 '08-12 13.2:1 (95.96mm) Pro-X Piston Key features 1. High-quality materials: Pro-X piston...

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$214.04
$214.04 - $214.04
$214.04
$192.64
$192.64 - $192.64
$192.64
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$250.43
$250.43 - $250.43
$250.43
$190.33
$190.33 - $190.33
$190.33

ProX High Compression Piston Kit KTM 250 250SX-F '06-12 (13.3:1) (75.96mm)

Pro-X

ProX High Compression Piston Kit KTM 250 250SX-F '06-12 (13.3:1) (75.96mm) Pro-X Piston Key features 1. High-quality materials: Pro-X pistons are...

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$250.43
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$250.43
$190.33
$190.33 - $190.33
$190.33
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$201.80 - $201.80
$201.80
$201.80 - $201.80
$201.80

ProX High Compression Piston Kit Yamaha YFZ450R '09-21 13.0:1 (94.95mm)

Pro-X

ProX High Compression Piston Kit Yamaha YFZ450R '09-21 13.0:1 (94.95mm) Pro-X Piston Key features 1. High-quality materials: Pro-X pistons are ...

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$201.80 - $201.80
$201.80
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$201.80

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