Audi C5 A6 Quattro 2.7T Set

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 10X Entries For Our Spin To Win Sweepstakes!

Brand:

ES#:

3647475

Mfg#:

ST-AEVI-1103SKT1

$779.99

This product was last offered at the strikethrough price on
11-04-2026

$590.99 USD

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on orders $49 and up

Lifetime Replacement

+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 10X Entries For Our Spin To Win Sweepstakes!
*Oversized valves require extra machine work to the cylinder head.*

Brand:

ES#:

3647477

Mfg#:

ST-AEVI-1106SKT1

$644.99

This product was last offered at the strikethrough price on
11-04-2026

$590.99 USD

Add to Cart

Free Shipping

on orders $49 and up

Lifetime Replacement

Stock sized valve head diameter, factory triple groove keeper setup - Includes Supertech valves and IE valve seals 10X Entries Into Our F80 M3 Sweepstakes 10X Entries For Our Spin To Win Sweepstakes!
*Existing factory triple-groove valve keepers are to be reused*

Brand:

ES#:

3647476

Mfg#:

ST-AEVI-1103KT1

$573.24 USD

Add to Cart

Free Shipping

on orders $49 and up

Lifetime Replacement