Stronger & smoother, with less friction!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
4643069
Mfg#:
11247620969WP2KT
Ships on Jul 2, 2026
ON SALE!
$815.99
This product was last offered at the strikethrough price on 05-02-2026
...or at least as "Bulletproof" as your F8X S55 will ever be! Includes a crank bolt capture kit, crank seal plate, oil filter housing gaskets, and all of the components required to perform this upgrade service. Featuring Kevlar reinforced belt!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
4642991
Mfg#:
ECSS55BPKRKT
Ships in 7 Business Days
$761.99
This product was last offered at the strikethrough price on 03-09-2026
...or at least as "Bulletproof" as your F8X S55 will ever be! Includes a crank bolt capture kit, crank seal plate, oil filter housing gaskets, and all of the components required to perform this upgrade service.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
4365387
Mfg#:
ECSS55BPKT
Ships on Aug 7, 2026
ON SALE!
$786.99
This product was last offered at the strikethrough price on 01-03-2026
...or at least as "Bulletproof" as your E9X N55 will ever be! Includes a crank bolt capture kit, crank seal plate, oil filter housing gaskets, and all of the components required to perform this upgrade service.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
4365385
Mfg#:
ECSE90N55BPKT
In Stock
ON SALE!
$573.99
This product was last offered at the strikethrough price on 03-19-2026
The heart of your engine is the crankshaft. Keep it spinning freely with new OEM crankshaft bearings or upgrade with race-proven aftermarket performance crank bearings and crankshaft parts.