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BPRATV will be closed on December 24th and 25th in observance of the Christmas holiday. We will have very limited operations from December 27th to December 31st for our annual cycle counts. Thank you for your patience and understanding. Additionally, we will be closed on January 1, 2025, for New Year's Day.
BPRATV will be closed on December 24th and 25th in observance of the Christmas holiday. We will have very limited operations from December 27th to December 31st for our annual cycle counts. Thank you for your patience and understanding. Additionally, we will be closed on January 1, 2025, for New Year's Day.

03-06 YZ450F WR 450F Cylinder Piston Oil Pump Complete Motor Engine Rebuild Kit

by BPRATV
Save 10% Save 10%
Original price $1,444.43
Original price $1,444.43 - Original price $1,444.43
Original price $1,444.43
Current price $1,299.99
$1,299.99 - $1,299.99
Current price $1,299.99

COMPLETE MOTOR REBUILD KIT FOR ALL '03-05 YZ450F AND '03-06 WR450F DIRT BIKES!

  • BPRATV 95mm stock bore nikasil cylinder (1 year warranty)
  • Wiseco, CP, JE, or Wossner forged piston kit** (Includes piston rings, wrist pin, and circlips)
  • Hot Rods or Wiseco Heavy Duty OEM Replacement Crankshaft with connecting rod
  • BPRATV Talon Titanium Cylinder Head Stud Kit
  • Main Crank bearings
  • Crank balancer bearings
  • Shift cam bearing
  • Transmission bearings
  • Clutch bearings (not thrust bearing)
  • BPRATV Hi-flow Water pump impeller, shaft, and bearing upgrade kit
  • 07+  After market oil pump assembly + upgraded oil nozzle
  • Clutch kit with fiber, steel plates, and springs
  • Complete top and bottom end gasket kit with Viton valve stem seals.
  • MLS head gasket
  • Complete engine oil seal kit
  • NGK spark plug
  • K&N oil filter
  • BPRATV Talon Camshaft Timing Chain

This is a bolt on kit with no machining required.  Piston uses pump or race gas.  Everything is new in the original packaging.  We are an authorized distributor and the original manufacturer’s warranty applies*.

BPRATV - The Best Parts. The Best Performance. The Best Price.
BRAPPPPPPPPPP!
20001, 4786M09500, 4785M09500 856D300 M1011, 4050, 808677, 822228, 811677,  5D3-13300-00-00, 5D3-15155-00-00, CR8EB, KN-141, CBK0088, TBK0067, 93306-20532-00, 93306-00426-00, 5GR-17471-10-00, 90387-2513F-00, 90215-21001-00, 421-3067, 871480, 1106-0146, M1011, C3066, C3066-EST, 71014-5, 71014, 5TJ-11631-00-00, 5TA-11351-00-00, 5JG-11603-00-00, 5TA-11181-00-00, 90430-06014-00, 5TA-11633-00-00, 93420-18082-00, K022

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