Engine - Crankcase Components

1773 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.

$39.03

Save $$ over OEM pricing. OEM quality. All seals necessary for complete crank rebuild included.Vehicle Fitment:1981-1984 Kawasaki KDX250 1991-1994 Kawasaki KDX250 1980-2003 Kawasaki KX250

$28.06

Oil seals meet and exceed OEM specifications..Vehicle Fitment:1983-2002 Honda CR80R 1996-2002 Honda CR80RB Expert 2003-2007 Honda CR85R 2003-2007 Honda CR85RB Expert

Eastern Motorcycle Parts B-SP-6-RS Connecting Rod Roller Set - +.001in

$29.44

H-D# 9446A, 9160A. Includes short and long rollers. Sold in a set. Made in the USA.Vehicle Fitment:1957-1959 Harley Davidson XL 1958 Harley Davidson XLC 1958-1979 Harley Davidson XLCH 1972-1985 Ha...

Eastern Motorcycle Parts O-6-001 Cam Cover Breather Pipe - Chrome

$30.12

OEM #24912-52A. High-quality OEM replacement. Chrome finish.Vehicle Fitment:1977-1978 Harley Davidson XLCR Cafe Racer

5% Off

$46.36

~~$48.80~~

Crankshaft Oil Seal.Vehicle Fitment:2001-2002 Polaris Genesis 2002-2004 Polaris Genesis I 2003-2004 Polaris MSX 140 2001 Polaris Pro 1200 2001 Polaris Virage TX 2001-2002 Polaris Virage TXI

6% Off

Namura Technologies RA-50006 Connecting Rod Kit

$58.49

~~$61.95~~

Center to center (mm): 136.5. Small end bore (mm): 22. Big end bore (mm): 45. Small end width (mm): 22. Big end width (mm): 22. Pin Dia. (mm): 37. Pin lenght (mm): 73.8. Small end bearing (mm): N/R...

51% Off

$65.08

~~$133.95~~

Crank Web.Vehicle Fitment:2002 Polaris 440 Pro X Fan 2003-2006 Polaris 550 Classic 2014-2018 Polaris 550 INDY 2014-2018 Polaris 550 INDY 144 2014-2018 Polaris 550 INDY Adventure 144 2015-2018 Polar...

10% Off

$147.99

~~$164.95~~

Wiseco main bearings are manufactured by many of the same suppliers to the OEMs, including leading Japanese manufacturers, and are inspected for accuracy, function, and cleanliness for efficient an...

$16.44

Camshaft Bearing by Pro-X.Vehicle Fitment:2003-2005 KTM 250 EXC 4-Stroke 2005-2007 KTM 450 SMR 2000-2002 KTM 520 EXC 2000-2002 KTM 520 SX 2004-2005 KTM 525 SMR 2006-2007 KTM 560 SMR

$14.52

Camshaft Bearing by Pro-X.Vehicle Fitment:2014-2016 Husqvarna FE350 2006-2012 KTM 250 SX-F 2012-2016 KTM 350 EXC-F 2012 KTM 350 Freeride 2011-2015 KTM 350 SX-F

51% Off

$168.88

~~$345.95~~

Replaces OEM # 2205687. Made to OEM specs from SCM420 shot peened forged chromoly steel.Vehicle Fitment:2012 Polaris 600 IQ Racer 2015-2018 Polaris 600 SwitchBack PRO-S 2014-2016 Polaris 800 INDY ...

28% Off

Namura Technologies RW-10003 Connecting Rod Kit

$61.81

~~$85.95~~

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

$101.16

~~$110.20~~

Includes rod, top bearing, thrust washers, bottom end cage bearing and crank pin when required.Vehicle Fitment:1999-2005 Kawasaki JH1200 Ultra 150

42% Off

$166.29

~~$284.95~~

Type 1. Replaces OEM # 2203584. Includes rod kit and web.. Crank Web.Vehicle Fitment:2008 Polaris 600 Dragon IQ 2009 Polaris 600 Dragon SP 2008-2010 Polaris 600 Dragon SwitchBack 2009 Polaris 600 ...