Holds Rear Main Crankshaft Seal To The Engine Block, Does Not Include Seal
2X Entries Into Our F80 M3 Sweepstakes We Price Match - Give Us A Call or Chat!
Increase horsepower and torque! Tune required to safely run! 90+ wheel hp & torque increase, while maintaining a safe level of boost and supercharger rpm!
ECU Tune is required.
Seals the gap between the crankshaft and engine block
We Price Match - Give Us A Call or Chat! Seal W/PTFE Components, PTFE Seal Installation Tool Required, Let Settle For Four (4) Hours After Installation Before Use
Brand:
ES#:
4684308
Mfg#:
0239978447
Ships in 2 Business Days
$24.99
This product was last offered at the strikethrough price on 05-07-2026
Includes all new hardware, pulley is Anodized in Black. This pulley is designed for cars with headers, and a stock (150mm) crank pulley.
Only fits Weistec Supercharger
Increase of +211 Horsepower, and +208 Torque! Taking you from stock 469 Horsepower, up to 680hp, and from stock torque 516, up to 724tq!
650cc Fuel Injectors Included!
Whether you're maintaining or repairing your stock engine or looking for added horsepower, we have one of the most comprehensive inventories of engine parts and accessories for German cars. From hard engine parts like connecting rods, pistons, cylinder heads, short blocks, and engine timing parts to performance engine software upgrades; we have you covered.
Lifetime Replacement
