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⚠️ ATTENTION FELLOW PATRIOTS: BPRATV will be CLOSED on Friday, July 3rd, 2026, in observance of the Fourth of July holiday. We'll reopen and resume the grind for liberty on Monday, July 6th, 2026. Proceed accordingly. Muuurica! ⚠️
⚠️ ATTENTION FELLOW PATRIOTS: BPRATV will be CLOSED on Friday, July 3rd, 2026, in observance of the Fourth of July holiday. We'll reopen and resume the grind for liberty on Monday, July 6th, 2026. Proceed accordingly. Muuurica! ⚠️

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04-05 TRX450R TRX 450R Complete Bearings Kit Crankcase Bottom End Bearing Seals

BPRATV
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04-05 TRX450R TRX 450R Complete Bearings Kit Crankcase Bottom End Bearing Seals 04-05 TRX450R TRX 450R Complete Bearings Kit Crankcase Bottom En...

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97-02 Scrambler 400 Cylinder Wiseco Piston Vertex Gasket NGK Top End Rebuild Kit

BPRATV
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97-02 Scrambler 400 Cylinder Wiseco Piston Vertex Gasket NGK Top End Rebuild Kit ...

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2006-2013 Kawasaki KX100 KX 100 Hot Rods Complete Bottom End Rebuild Kit CBK0102

BPRATV
Low stock

CBK0102, 4066, K004, 808418, 810411, 822292, 8107, 811418, 13033-1060, 13034-0013, 13035-1054, 13035-1054-01, 13037-0050, 13037-0051, 92026-1136, 9...

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Yamaha YZ85 YZ 85 Top End Rebuild Kit Stock Bore Cylinder Wiseco Assembly Repair

BPRATV
In stock

20007,RE900M04750,805M04750,20007,8104DA,810614,RE900M04750,805M04750 ,8104DA,810614,99530-10114-00,B1012,MX-04085CFITS ALL '02-18 YAMAHA YZ 85 MOD...

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03+ YZ250 YZ 250 Stock Bore Cylinder Head 66.4 Wiseco Complete Top End Parts Kit

BPRATV
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03+ Yamaha YZ250 YZ 250 Stock Bore 66.4mm Complete Top End Cylinder Head Kit Fits all 2003 and newer Yamaha YZ250 2-stroke dirt bikes. Kit Inclu...

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Honda XR650R Rebuild Kit Stage 2 Hot Cams Stock OEM Cylinder Piston Top End Kit

BPRATV
Low stock

Honda, OEM, Wiseco, JE, Cometic, Wossner, Honda XR650R XR 650R, 12100-MBN-670,1010-2,4715M10000,C7681,190862,4716M10000Honda XR650R Complete Rebuil...

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Kawasaki KX85 KX 85 Cylinder Wiseco Piston Cometic Gaskets Top End Rebuild Kit

Wiseco
Out of stock

Kawasaki KX85 top end rebuild kit with Cylinder Works cylinder and Wiseco piston. Restore power, compression, and performance for 2001-2013 models....

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Kawasaki KX85 KX 85 Cylinder Wiseco Piston Gaskets Top End Rebuild Kit 2001-2013

Wiseco
Out of stock

Stock bore Kawasaki KX85 rebuild kit with Wiseco piston and cylinder for OEM fitment, reliability, and improved engine efficiency. Kawasaki KX85 ...

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01-13 Kawasaki KX85 KX 85 Stock Bore Cylinder Wiseco Piston Top End Rebuild Kit

Wiseco
Out of stock

Restore Kawasaki KX85 engine with Cylinder Works cylinder and Wiseco piston kit for durability, compression, and peak riding performance. Kawasak...

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Kawasaki KX85 KX 85 Stock Bore Cylinder Wiseco Piston Top End Rebuild Kit '06-13

Wiseco
Out of stock

Complete Kawasaki KX85 Big Wheel rebuild kit with Wiseco piston and cylinder for reliable performance and maximum throttle response. Kawasaki KX8...

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06-26 Kawasaki KX65 Athena Cylinder Piston Gasket Wiseco Crank Motor Rebuild Kit

Athena
Out of stock

Complete Athena and Wiseco engine rebuild kit for Kawasaki KX65 2006-2026 including cylinder, piston, crankshaft, bearings, gaskets and seals. At...

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Kawasaki KX65 Athena Cylinder Wiseco Crank Complete Engine Rebuild Kit 2006-2026

Athena
Out of stock

Rebuild your Kawasaki KX65 with Athena cylinder and Wiseco crankshaft complete motor rebuild kit for full engine restoration. Athena 44mm Cylinde...

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Athena 44mm Cylinder Wiseco Crank Engine Rebuild Kit Cometic Kawasaki KX65 06–26

Athena
Out of stock

Athena 44mm cylinder and Wiseco crankshaft engine rebuild kit for Kawasaki KX65 including piston kit, crank bearings, gasket sets and seals. Athe...

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Kawasaki KX65 KX 80cc Athena Big Bore Cylinder Piston Gasket Wiseco Crank Motor!

Athena
Out of stock

Upgrade your Kawasaki KX65 with an Athena 80cc big bore cylinder, piston kit and Wiseco crankshaft complete engine rebuild kit for 2006-2026 models...

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Athena 80cc Big Bore Cylinder Wiseco Crankshaft Engine Rebuild Kit Kawasaki KX65

Athena
Out of stock

Athena 80cc big bore cylinder and Wiseco crank complete engine rebuild kit for Kawasaki KX65 including piston, bearings, gaskets and seals. Athen...

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High Performance 80cc Big Bore Athena Cylinder Wiseco Crankshaft KX65 2006-2026!

Athena
Out of stock

Upgrade your Kawasaki KX65 with an Athena 80cc big bore cylinder and Wiseco crankshaft complete performance engine rebuild kit. Athena 50mm 80cc ...

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Kawasaki KX65 Engine Rebuild Kit Athena 80cc Big Bore Cylinder Wiseco Crankshaft

Athena
Out of stock

Rebuild your Kawasaki KX65 engine with Athena 80cc big bore cylinder, piston kit, Wiseco crankshaft, crank bearings, gasket sets and seals. Athen...

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72mm Cylinder Piston Top End Kit KTM 300 EXC XC-W TPI Husqvarna TE300i GasGas EC

Wiseco
Out of stock

Engineered for hard enduro. 72mm top end kit for KTM/Husqvarna/GasGas 300 TPI models. Includes Nikasil cylinder, Wiseco forged piston, and top end ...

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Husqvarna TE 300i TX 300i 72mm Top End Kit Wiseco Piston BPRATV Cylinder Rebuild

Wiseco
Out of stock

High-performance 72mm top end kit featuring Wiseco ArmorGlide forged piston. Direct bolt-on fit for KTM 300 EXC/XC TPI and Husqvarna TE/TX 300i mod...

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BPRATV 72mm Top End Rebuild Kit Wiseco Piston Cometic Gasket KTM 300 EXC XC TPI

Wiseco
Out of stock

BPRATV 72mm Top End Kit Wiseco Piston Cometic Gasket KTM 300 EXC XC TPI 2020-2023 KTM 300 EXC XC TPI Husqvarna GasGas 300 72mm Top End Rebuild Ki...

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KTM 300 EXC XC TPI Husqvarna GasGas 300 72mm Top End Rebuild Kit Wiseco Piston!

Wiseco
Out of stock

Restore factory power to your TPI 300cc with the BPRATV 72mm top end kit. Includes Nikasil cylinder, Wiseco ArmorGlide forged piston & Cometic ...

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KTM 300 SXF XCF Husqvarna FC FX GasGas MC Top End Rebuild Kit 72mm Wiseco Piston

Wiseco
Out of stock

KTM Husqvarna GasGas 300 72mm top end rebuild kit with Wiseco forged piston, Nikasil cylinder, and Cometic gaskets. Restore power and reliability. ...

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Wiseco Piston KTM 125 SX Husqvarna TC125 GasGas MC125 BPRATV Top End Rebuild Kit

Wiseco
Low stock

Complete top end rebuild kit for KTM 125 SX/XC, Husqvarna TC 125, and GasGas MC 125 (2016-2025). Features 54mm BPRATV cylinder and forged Wiseco pi...

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BPRATV 54mm Stock Top End Rebuild Kit KTM 125 SX XC Husqvarna TC & Wiseco Piston

Wiseco
Low stock

Restore power to your KTM, Husqvarna, or GasGas 125 with this 54mm top end kit featuring Wiseco piston and BPRATV Nikasil cylinder. BPRATV 54mm T...

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KTM Husqvarna GasGas 125 Top End Rebuild Kit 54mm Wiseco Piston Cylinder BPRATV!

Wiseco
Low stock

KTM Husqvarna GasGas 125 Top End Rebuild Kit 54mm Wiseco Piston Cylinder BPRATV! ...

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Banshee Athena 68mm Big Bore Cylinders 421 Stroker Crank CP Pistons Pro Head Cub

Athena
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BPRATV Banshee ARES 68mm Big Bore Big Ported Nikasil Cylinders WISECO Piston Set

BPRATV
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Yamaha Banshee ARES 68mm Ported Cylinders Wiseco Top End Kit 421cc Athena Style!

BPRATV
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BPRATV
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Banshee 421cc ARES 68mm Cylinders Wiseco Pistons Athena Style Ported Top End Kit

BPRATV
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New BPRATV Banshee 421cc 68mm Nikasil Cylinder Kit Athena-Style Dune Play Ported

BPRATV
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Banshee Yamaha CP-Carrillo 66mm Forged Piston Kit Big Bore High RPM Race Ready

CP-Carrillo
Low stock

513M06500, M16500, Upgrade your Yamaha Banshee (All Years) with this CP-Carrillo Forged Piston Kit for 66mm Big bore. Includes 2x pistons (513M0650...

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CP-Carrillo Yamaha Banshee +2 66mm Forged Pistons Kit Hi-Temp Rings Big Bore New

CP-Carrillo
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Athena
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BPRATV 68mm Yamaha Blaster 200 Big Bore Cylinder CP Carrillo Top End Rebuild Kit

CP-Carrillo
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Yamaha Blaster YFS200 68mm Big Bore CP Carrillo Piston Titanium Studs Gasket Kit

CP-Carrillo
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Yamaha Blaster YFS200 68mm Big Bore CP Carrillo Piston Titanium Studs Gasket Kit ...

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Wiseco
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Suzuki LTZ400 Z400 '03-14 Wiseco Forged Clutch Basket HD Plates Springs Kit Race

Wiseco
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Suzuki LTZ400 Z400 '03-14 Wiseco Forged Clutch Basket HD Plates Springs Kit Race Suzuki LTZ400 Z400 '03-14 Wiseco Forged Clutch Basket HD Plates...

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$134.99

Yamaha Raptor 700R Cylinder Head Studs Kit TITANIUM Cylinder To Crankcase Bolts

BPRATV Talon Titanium
Low stock

80-82450, 90119-10023-00, 90109-09003-00, 90109-09002-00 90109, 2G-700-TIHD, 2G-TICYLHD Ultimate Yamaha 700cc ATV UTV Head Stud Upgrade Kit - Lifet...

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$1,299.99
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$1,299.99
$899.98
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$899.98

Brute Force Teryx 750 Stock Bore Cylinders CP Pistons Top End Engine Rebuild Kit

CP-Carrillo
Low stock

30007, 30008, C3284, CBK0178, 4897M08500, 11005-0133,11005-0592, 11005-0593,11005-0134,4089, M3027, 808881, 822251, 274191, K075, 811881, 92057-018...

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$899.98
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Kawasaki Brute Force 750 KVF750 Cylinder CP Pistons Cometic Top End Rebuild Kit

CP-Carrillo
Low stock

30007, 30008, C3284, CBK0178, 4897M08500, 11005-0133,11005-0592, 11005-0593,11005-0134,4089, M3027, 808881, 822251, 274191, K075, 811881, 92057-018...

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$765.20
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$765.20
$688.89
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$688.89

TRX 400EX 400X Stock Bore Cylinder 85 mil Piston Top End Rebuild Stage 1 Hotcams

BPRATV
In stock

1007-1, M2008, M2003, M2001,4606M08700,12100-KCY-670, 4606M08500, 1043-2,C7826, 71016-4, 12191-KCY-673, 30-33750, 13011-KCY-670, 90601-KA5-000, 131...

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$688.89
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$874.99
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$874.99
$699.99
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$699.99

09-25 Raptor 700 Stock Bore Cylinder Stage 1 Hot Cams 102mm Top End Rebuild Kit

BPRATV
In stock

M1039, 20004, C3142, 2BG-11631-00-00, 3B4-11311-10-00, EC485-069, P400485850156, P400485850078, P400485420602, P400485400216, P400485600078, P40048...

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$1,048.82
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04 05 TRX450R TRX 450R 94mm CP Piston Cylinder Top Cometic Stage 2 Hotcams Chain

BPRATV
Low stock

10003, C7877, C7877, 12101-HP1-670, 13101-HP1-670, 14110-HP1-670, M2025, 4060, CBK0097, 4848M09400, K046, 822237, 808868, M2035, 4849M09400, M2021,...

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06+ TRX450R TRX 450R 96mm CP Piston Cylinder Top Cometic Stage 2 Hot Cams Chain

BPRATV
Low stock

10005, 4899M09600, 1024-2, 30-30920, 30-30950, 30-30953, 4070, 808904, 822312, HC92RH2015112, M2036, M2136, 247613, 91001-HP1-601, 91002-HP1-601, 9...

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$549.99
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$488.88
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$488.88

05-22 Yamaha YZ125 YZ 125X 54mm 54 Stock Bore Cylinder Wiseco Piston Top End Kit

Wiseco
Out of stock

845M05400, PK1571, CW20011, B1001, C3105, 1C3-11311-21-00, 1C3-11311-00-00, 1C3-11631-03-B0, 1C3-11631-03-A0, 1C3-11311-2100, 1C3-11631-01-D0, 1C3-...

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$359.99
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$269.99
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Banshee +4mm Stroker Crank Rebuild Maxload SKF Bearings 115mm Connecting Rod Kit

BPRATV
Low stock

FITS ALL YAMAHA BANSHEE +4mm STROKER CRANKS USING 115mm RODSHot Rods 115mm Connecting Rod Kit (Pair / Set)Connecting RodsCrank Pin BearingsWrist Pi...

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$109.88
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1999-2025 Yamaha YZ250 72mm Big Bore Cylinder Head BPRATV OEM Direct Fit Engine!

BPRATV
Low stock

Replace your Yamaha YZ250 cylinder head with this 72mm big bore BPRATV head for improved performance and reliability for 1999-2025 models. BPRATV...

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1999-2025 Yamaha YZ250 Top End Cylinder Head 72mm Big Bore BPRATV 2-Stroke Part!

BPRATV
Low stock

YZ250 engine cylinder head replacement for 72mm big bore builds designed for durability and performance gains. BPRATV Yamaha YZ250 72mm Big Bore ...

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Competition 72mm Big Bore BPRATV Cylinder Head Yamaha YZ250 1999-2025 Upgraded

BPRATV
Low stock

Performance YZ250 cylinder head replacement for big bore engines delivering improved combustion efficiency. BPRATV Yamaha YZ250 72mm Big Bore Cyl...

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(909) 782-8012

Location

1538 Howard Access Rd

Upland, Ca 91786

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Testimonials

The had the big bore kit in stock for my banshee, and shipped it the next day.

Jason C.

These titanium studs are pretty bad ass

Andy R.

Super fast shipping, and they had everything in stock!

Zoria T.

I DIDN'T KNOW HOW TO INSTALL MY NEW JETS, AND THEY ACTUALLY WALKED ME THROUGH IT

ERIKA M.

I GOT MY ORDER ON TIME

OCATVIO Q.

GOOD

CASSY H.

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