Engine
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Prox Engine Rebuild Kit 10Ek5805C1
PROX
MSRP: $1,308.56$962.46Complete rotating and reciprocating rebuild kit including crankshaft assembly, main bearings and seals, pistons and components, and a complete engine gasket kit All components were developed through extensive research and development on Pro-X in-house...P0903-1698MSRP: $1,308.56$962.46 -
Prox Engine Rebuild Kit 10Ek5805B1
PROX
MSRP: $1,308.56$962.46Complete rotating and reciprocating rebuild kit including crankshaft assembly, main bearings and seals, pistons and components, and a complete engine gasket kit All components were developed through extensive research and development on Pro-X in-house...P0903-1697MSRP: $1,308.56$962.46 -
Prox Engine Rebuild Kit 10Ek5805A1
PROX
MSRP: $1,132.95$1,099.95Complete rotating and reciprocating rebuild kit including crankshaft assembly, main bearings and seals, pistons and components, and a complete engine gasket kit All components were developed through extensive research and development on Pro-X in-house...P0903-1696MSRP: $1,132.95$1,099.95 -
Performance Machine (Pm) Scallop Rocker Cover 01772070Ch
PERFORMANCE MACHINE (PM)
MSRP: $1,057.76$1,026.95Made in the U.S.A. Direct replacements for OEM covers All hardware and gaskets included Machined Performance Machine logo Scallop design. COVER ROCKR BX SCLP M8 CHP0940-1927MSRP: $1,057.76$1,026.95 -
Performance Machine (Pm) Scallop Rocker Cover 01772070Bm
PERFORMANCE MACHINE (PM)
MSRP: $1,057.76$1,026.95Made in the U.S.A. Direct replacements for OEM covers All hardware and gaskets included Machined Performance Machine logo Scallop design. COVER ROCKR BX SCLP M8 CCP0940-1925MSRP: $1,057.76$1,026.95 -
Koso North America Valve Head Kit Mb623003
KOSO NORTH AMERICA
MSRP: $1,071.15$1,039.95Ideal engine part to complete Koso's big bore kit Unique four-valve design increases air flow and performance Provides more power and torque Features a forged piston, stainless steel 24 mm intake valves and 20 mm exhaust valves. 4V HEAD+BIG BORE-GROMP0950-0754MSRP: $1,071.15$1,039.95 -
Jims Roller Rocker Arms 1732
JIMS
MSRP: $1,069.09$1,037.95Cast from 4340 heat-treated chromoly steel Reduce friction in the valve train, providing more horsepower and less heat in the top end Include 660 bronze bushing fit to .0007" - .0012" for the best wear resistance and oil control Roller tip made from...P0927-0021MSRP: $1,069.09$1,037.95 -
Je Pistons Piston Kit 308644
JE Pistons
MSRP: $1,081.11$1,049.62Machined from 2618-T6 high tensile forged aluminum Dome/ dish features smooth flowing radii; require no deburring or preparation JE designs are specifically engineered for extreme applications including professional competition Pins, pin fitment, lock...P0910-5816MSRP: $1,081.11$1,049.62 -
Je Pistons Piston Kit 262287
JE Pistons
MSRP: $1,153.59$1,119.99Machined from 2618-T6 high tensile forged aluminum Dome/ dish features smooth flowing radii; require no deburring or preparation JE designs are specifically engineered for extreme applications including professional competition Pins, pin fitment, lock...P0910-5796MSRP: $1,153.59$1,119.99 -
Je Pistons Piston Kit 247621
JE Pistons
MSRP: $1,153.59$1,119.99Machined from 2618-T6 high tensile forged aluminum Dome/ dish features smooth flowing radii; require no deburring or preparation JE designs are specifically engineered for extreme applications including professional competition Pins, pin fitment, lock...P0910-5784MSRP: $1,153.59$1,119.99 -
Je Pistons Piston Kit 201165
JE Pistons
MSRP: $1,071.19$1,039.99Machined from 2618-T6 high tensile forged aluminum Dome/ dish features smooth flowing radii; require no deburring or preparation JE designs are specifically engineered for extreme applications including professional competition Pins, pin fitment, lock...P0910-5773MSRP: $1,071.19$1,039.99 -
Je Pistons Piston Kit 300270
JE Pistons
MSRP: $1,066.04$1,034.99Machined from 2618-T6 high tensile forged aluminum Dome/ dish features smooth flowing radii; require no deburring or preparation JE designs are specifically engineered for extreme applications including professional competition Pins, pin fitment, lock...P0910-5815MSRP: $1,066.04$1,034.99