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Please be advised that our operations are currently affected by the Southern California wildfires. Our internet and phone systems are experiencing intermittent disruptions. We are making every effort to ensure customer orders are processed and dispatched in a timely manner, as well as responding to all messages. We sincerely appreciate your patience and understanding during this time.

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*ProX 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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$212.46
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$161.47
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$161.47

*ProX Piston Kit Yamaha YZ450F '03-09/WR450F '03-15 12.5:1 95mm (94.97mm)

Pro-X

ProX Piston Kit Yamaha YZ450F '03-09/WR450F '03-15 12.5:1 (94.97mm) Pro-X Piston Key features 1. High-quality materials: Pro-X pistons ...

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$161.47
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$197.33
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$197.33
$163.78
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$163.78

*ProXPiston Kit Kawasaki KX450 F KX 450F '19-24 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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$163.78
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$163.78
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$98.44
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$98.44
$79.97
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$79.97

02-22 Suzuki RM85 RM 85 ProX Pro X Pro-X Piston Kit 48mm (47.94mm) 01.3122.A JPN

Pro-X

ProX Piston Kit – (48mm Stock Bore) 47.94 MM (STD) – RM85MSRP: $98.44Part#  01.3122.A Bore Diameter 48.00 MM Bore Diameter OEM 48.00 MM Compressi...

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$45.82
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$45.82
$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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$197.33
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$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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$133.78
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$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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$36.64
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$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

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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$69.90
$38.89
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$38.89

85 86 Honda ATC250R ATC 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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$38.89
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$38.89
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$69.95
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$69.95
$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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$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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$38.89
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$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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$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

BPRATV Standard Bore Simple Top End Rebuild Kit for a Complete Performance Boost! Fits Suzuki LT80 Years 1987 1988 1989 19990 1991 1992 1993 199...

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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
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$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, 1...

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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
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$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 ...

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$98.44
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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
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$36.64
$32.98
$32.98 - $32.98
$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
$36.64 - $36.64
$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
$69.99 - $69.99
$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
$34.44
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$34.44
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$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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$69.99
$69.99 - $69.99
$69.99
$58.89
$58.89 - $58.89
$58.89

Honda 400EX 400X XR400 ProX Head Rebuild INTAKE Valves Kit KIBBLEWHITE Red Seals

Pro-X

Is your Honda 400 losing power and performance? These ProX INTAKE valves and Kibblewhite seals are the ultimate upgrade to restore lost horsepower!...

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$69.99
$69.99 - $69.99
$69.99
$58.89
$58.89 - $58.89
$58.89
Save 16% Save %
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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
$38.79
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$38.79
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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
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$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
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$69.95
$59.98
$59.98 - $59.98
$59.98
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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 %