Seller notes

Go Race Parts presents... Our special on Supertech Performance Valves & Components! This listing is for a complete set of 20 Supertech Valves STD Size for all VW/Audi 1.8T 20V applications This listing includes Supertech part numbers: AIVN-1103 x 12 (intake valves) AEVN-1103 x 8 (exhaust valves) Head Diameter: 26.9mm (intake) 29.9mm (exhaust) Stem Diameter: 5.96mm (intake) 5.94mm (exhaust) Valve Length: 105.09mm (intake) 103.90mm (exhaust) Material: Black Nitrided BLACK NITRIDE: This is a harden...

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