+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, single groove keeper setup for high RPM use
*Valves priced individually - For 1.8T - qty 12 needed / For 2.7T - qty 18 needed - Please see long description for additional valve seal/keeper informa
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
For vehicles with small port heads and large port intake manifold
Buy Integrated Engineering Software from 9/3/26 - 9/30/26 for a chance to win your Software for FREE!
Includes everything you need to install spacers on two wheels
10X Entries Into Our F80 M3 Sweepstakes Fits OEM wheels or wheels that require ball seat wheel bolts
Brand:
ES#:
251543
Mfg#:
ECS#244KTWBLT
In Stock
ON SALE!
SAVE 25%
$134.99
This product was last offered at the strikethrough price on 06-13-2026
DIRECT PORT ONLY - Vehicle must be brought to ECS
Call In Or Chat For Best Price! This upgrade must be performed at ECS Tuning's facility in Ohio. 257hp / 264lb-ft (91 Octane) - 263hp/267lb-ft (93 Octane)
Complete kit for two wheels, comes with everything you need to install spacers on your aftermarket wheels
10X Entries Into Our F80 M3 Sweepstakes Fits most aftermarket wheels that use conical seat wheel bolts
Brand:
ES#:
2748251
Mfg#:
ECS244KTWBLT1KT
Ships on Jan 29, 2027
ON SALE!
SAVE 20%
$142.99
This product was last offered at the strikethrough price on 05-02-2026
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