Supertech Dual Valve Spring and Titanium Retainer Kit for Opel Calibra C20XE & C20LET 16v 2.0L Engines
Supertech Dual Valve Spring and Titanium Retainer Kit for Opel Calibra C20XE & C20LET 16v 2.0L Engines

Supertech Dual Valve Spring and Titanium Retainer Kit for Opel Calibra C20XE & C20LET 16v 2.0L Engines

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Supertech Dual Valve Spring and Titanium Retainer Kit for Opel Calibra C20XE & C20LET 16v 2.0L Engines

Set of 16 Dual Valve Springs, 16 Titanium Retainers & Seats

SPRK-H1002-C20

Type: Dual Spring
Outer Spring: OD 29.05mm - ID 21.85mm
Inner Spring: OD 20.50mm - ID 15.50mm
Press.Seat: 70lbs @ 34mm
Max Lift: 14.50mm
Coil Bind: 19.50mm
Rate: 10.00mm
Retainer: RET-H70/T1
Spring: SPR-H1002-C20
Seat: SEAT-H1020DS

SPRK-H1001D-C20
Type: Dual Spring
Outer Spring: OD 29.35mm - ID 21.85mm
Inner Spring: OD 20.50mm - ID 15.50mm
Press.Seat: 80lbs @ 34mm
Max Lift: 14.00mm
Coil Bind: 20.00mm
Rate: 11.00mm
Retainer: RET-H70/T1
Spring: SPR-H1001D-C20
Seat: SEAT-H1020DS

Our valve springs are computer designed to ensure that wire stress levels do not overpass the limits of stress defined in the diagrams of fatigue. We also utilize computer software that allows us to ensure that the harmonics are under control. All Supertech valve springs are made with premium super clean Chrome Silicon Vanadium Steel alloy for higher performance & durability at high rpms. Using high quality steel alloy also provides the added benefit of better structural memory for all of our springs, giving your performance racing engine a serious competitive advantage.

Supertech retainers are manufactured with high quality military certified Titanium alloy, and are CNC machined for a tight fit. Our high quality retainers are among the best in the industry.