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
Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button
+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#:
3647523
Mfg#:
ST-AEVI-1106SKT
Back Ordered
$429.99
This product was last offered at the strikethrough price on 11-04-2026
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#:
3647522
Mfg#:
ST-AEVI-1103SKT
Back Ordered
$519.99
This product was last offered at the strikethrough price on 11-04-2026
Our name says it all. That's why ECS Tuning is dedicated to providing our customers with the broadest possible assortment of engine tuning options at a range of prices and options to fit any budget. Start small and grow your car into something special with performance engine upgrades from a company that has tuning in its name and its blood.
Lifetime Replacement
