+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 +1mm oversized valves & singe groove keeper setup - Requires machine work to cylinder head
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
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
+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.*
Stock sized valve head diameter, factory triple groove keeper setup - Includes Supertech valves and IE valve seals
10X Entries Into Our F80 M3 Sweepstakes *Existing factory triple-groove valve keepers are to be reused*
Stock sized valve head diameter, factory triple groove keeper setup - Includes Supertech valves and IE valve seals
10X Entries Into Our F80 M3 Sweepstakes *Existing factory triple-groove valve keepers are to be reused*
Engines are just air pumps. How efficiently they can pump and how much they can pump determines how powerful they are. Upgrade cylinder head components to improve your engine's performance, like valves, valve springs, camshafts, rocker arms, and entire cylinder heads to unlock more power from your engine.
Lifetime Replacement
