Highflow Stainless Steel EV8 (21-4N), Hardened Tip (52 HRC), 40mm intake valve with 7mm stem necked down to 6.5mm for hyd lifter, 91.60mm overall length. Mk1 '88-'93, Mk2 '85-'92 1.8L 40mm heads and '93-up 2.0L crossflow heads. 10 grams lighter than std 40mm 8mm stem valve. Higher flow than std. valve. Black nitride treatment reduces friction, improves heat dissipation and Valve guide wear. (To...
$25.00
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Oversize Stainless Steel EV8 (21-4N), Hardened Tip (52 HRC) 41mm intake valve with 7mm stem necked down to 6.5mm (works with std. 40mm intake seat) For Hyd Lifter Mk1 '88-'93, '85-'92 1.8L 40mm heads and '93-up 2.0L Crossflow Heads. Audi V6 12v 2.8L, 10 grams lighter than std 40mm 8mm stem valve. Higher flow than std. valve. Black nitride treatment reduces friction, improves heat dissipation and...
$25.00
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Highflow Stainless Steel EV8 (21-4N), 42mm intake valve with 7mm stem necked down to 6.5mm for hyd lifter. Black nitride treatment reduces friction, improves heat dissipation and Valve guide wear. Heat treated keeper grooves and stems (52 HRC),. 91.6mm overall length.
$27.00
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Highflow Stainless Steel EV16 (21-8N), Hardened Tip (52 HRC), 33mm exhaust valve, 7mm stem necked down to 6.5mm, 90.95mm overall length, For Hyd lifter 1.8L 8v, ABA, Audi 10v, V6 2.8L 12v heads. Higher flow than std. valve. Black nitride treatment reduces friction, improves heat dissipation and Valve guide wear. (To convert 8mm head to 7mm. Parts needed 109 222 exhaust valve guide, 109 290 7mm...
$25.00
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Highflow Stainless Steel EV16 (21-8N), Hardened Tip (52 HRC), 34mm exhaust valve, 7mm stem necked down to 6.5mm, 90.95mm overall length, For Hyd lifter 1.8L 8v, ABA, Audi 10v, V6 2.8L 12v heads. Higher flow than std. valve. Black nitride treatment reduces friction, improves heat dissipation and Valve guide wear. (To convert 8mm head to 7mm. Parts needed 109 222 exhaust valve guide, 109 290 7mm...
$25.00
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Oversize Stainless Steel EV16 (21-4N), 35mm exhaust valve, 7mm stem necked down to 6.5mm for Hyd lifter 1.8L 8v head. Higher flow than std. valve. Black nitride treatment reduces friction improves heat dissipation and Valve guide wear. Hardened Tip and Keeper Grooves (52 HRC), (use exhaust seat 109.162) 109112 90.95mm overall length.
$27.00
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Audi V6 2.8L 12v. Redesigned to work with the OEM single spring upper retainer. Custom lower spring seats and HD valves springs. Recommended for high RPM use (over 6,500 RPM).
$237.50
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Audi V6 2.8L 12v. Includes Upper Titanium retainers, custom lower spring seats and HD valves springs. Recommended for high RPM use (over 6,500 RPM).
$402.00
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HD intake stem seal made of PolyAcrylic material.
$2.00
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