SPR-TS1012-Z20 - Supertech Valve Springs

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Part #: SPR-TS1012-Z20
Notes: Dual Valve Spring
Please contact us for pricing & more information.


Coil Bind 20mm
Inner Spring (OD/ID) 20mm / 15.2mm
Max Net Lift 15.1mm
Outer Spring (OD/ID) 27.5mm / 20mm
Pressure (Open) 180lbs@10 mm
Pressure (Seat) 64lbs@35.10mm
Rate 9.6lbs/mm

This Item Also Available In

Part Number Price Notes & Specs
SPR-TS1015-Z20 $164.75 Notes Dual Valve Spring
Coil Bind 20.7mm
Inner Spring (OD/ID) 20mm / 15.2mm
Max Net Lift 14.4mm
Outer Spring (OD/ID) 27.5mm / 20mm
Pressure (Open) 195lbs@10 mm
Pressure (Seat) 75lbs@35.10mm
Rate 12.1lbs/mm

All Fitments

Year Model SubModel Cylinders Liter Aspiration Eng Desg. Fuel Notes
0 - 0 SEE NOTES FOR FITMENT ALL ALL ALL ALL ALL ALL For Opel Astra / Speedster/ Zafira - Z20LET / X20XEV

Product Description

Supertech Valve Springs are made with premium Superclean Chrome Silicon Vanadium Steel Alloy for higher performance and durability at high RPM ranges. The Supertech materials also provide for better memory, which translates into higher performance.

Computer designed to ensure that wire stress levels do not overpass their limits, Supertech Valve Springs are manufactured for long term durability even under the most extreme conditions.

Supertech Valve Springs are sold Per Valve Spring. For Example, when order for a Model that requires 16 Valve Springs, order ‘Quantity: 16’

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