Engine - Crankcase Components

1703 products

Powersport Superstore is your go-to source for Engine - Crankcase Components and related parts. Shop our unbeatable selection of Crankcase Components with top-tier service, fast shipping, and great prices.

$30.45

Save $$ over OEM pricing. OEM quality. All seals necessary for complete crank rebuild included.Vehicle Fitment:2003-2004 Suzuki RM250

Pro-X 23.6204C3 Crankshaft Bearing - O.D. - 47mm - I.D. - 20mm - Width - 14mm

$18.66

Save $$ Over OEM pricing. Interchanges directly with OEM parts.Vehicle Fitment:2003-2006 Kawasaki KFX80 1987-2006 Suzuki LT80 QuadSport 1993-2001 Yamaha YZ80 2002-2021 Yamaha YZ85

11% Off

$154.19

~~$174.00~~

Designed to fit OEM bearing and crank pin. For best results use corresponding Wssner piston kit. Connecting rod only; bearing and pin not included.Vehicle Fitment:1999-2008 Honda TRX400EX Sportrax

Jims 25856-KIT Circuit Breaker Shaft and Bushing Kit

$67.31

Replaces OEMs 25856-36, 25785-30A. Circuit breaker shaft kit consists of a shaft and two replacement bushings. Made in the USA.Vehicle Fitment:1936-1937 Harley Davidson E 1941-1950 Harley Davidson...

Moose Racing 24-1073 Crank Bearing and Seal Kit

$54.95

OEM-matched, high-quality bearing and seal kit. Feature Koyo precision Japanese crank bearings. Crankshaft seals feature a carbon/fluorocarbon pad on seal lip and stainless steel garter springs to ...

Jims 25791-KIT Idler Shaft and Bushing Kit

$64.31

Replaces OEMs 25791-36, 25785-30A Contains idler shaft and one bushing.Vehicle Fitment:1936-1937 Harley Davidson E 1941-1950 Harley Davidson E 1936-1952 Harley Davidson EL 1941-1950 Harley Davidso...

6% Off

S&S Cycle 31-0001 Super Stock Engine Case - Natural - Big Bore 3 5/8in Bore

$1,884.38

~~$1,995.95~~

Cast from A356 T-6 heat-treated aluminum alloy. Cases are available for 3 1/2in stock and 3 5/8in big bore motors for any stroke up to and including 5in and most stock length connecting rods. Machi...

$12.78

Dimensions 40x52x7. Crankshaft Oil Seal.

10% Off

$260.99

~~$289.95~~

Forged from lightweight, high strength, certified, aerospace grade, aluminum alloy. Wisecos CNC machining process produces each component dimensionally the same as the next. Weight-saving relief cu...

9% Off

S&S Cycle 31-0005 Super Stock Alternator Style Crankcase - Natural - Stock Bore

$1,719.00

~~$1,895.95~~

Cast from A356 T-6 heat-treated aluminum alloy. Cases are available for 3 1/2in. stock and 3 5/8in. big bore motors for any stroke up to and including 5in. and most stock length connecting rods. Ma...

8% Off

Hayden Enterprises KVP Krank Vent Plus Crankcase Venting System

$114.38

~~$124.00~~

More than simply venting your crankcase fumes, the Krank Vent. Plus controls the air under the pistons by maintaining the proper amount of vacuum in the crankcase at any RPM. Youll gain 2-8% of use...

Namura Technologies RX-40022 Connecting Rod Kit

$46.46

Kit includes connecting rod, wrist pin, top and bottom bearings, washers where needed. Connecting rod forged from premium chromoly steel with double honing on top and bottom bearing holes for smoot...

8% Off