Direct replacement auxiliary fan. Please check your stock fan size before ordering.
We Price Match - Give Us A Call or Chat! For vehicles with 5-speed automatic transmissions only
Stock sized valve head diameter, single groove keeper setup for high RPM use - Includes Supertech valves, single groove keepers and IE valve seals
10X Entries Into Our F80 M3 Sweepstakes
Brand:
ES#:
3647529
Mfg#:
ST-AIVN-1103SKT
Back Ordered
$453.99
This product was last offered at the strikethrough price on 11-04-2026
+1mm oversized valve head diameter, single groove keeper setup for high RPM use - Includes Supertech valves, single groove keepers and IE valve seals
10X Entries Into Our F80 M3 Sweepstakes *Oversized valves require extra machine work to the cylinder head.*
Brand:
ES#:
3647534
Mfg#:
ST-AIVN-1106SKT
Back Ordered
$545.99
This product was last offered at the strikethrough price on 11-04-2026
Eliminate dangerous boost leaks and permanently fix your engine's most vulnerable vacuum path with this billet check valve and T-housing bundle.
10X Entries Into Our F80 M3 Sweepstakes
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
