Supertech Performance Dual Valve Springs and Titanium Retainers Kit for Toyota Corolla 4AGE 16v Engines - 73lb

Supertech Performance Dual Valve Springs and Titanium Retainer Kit for the Toyota Corolla 4AGE 16v - 73lb

SPRK-TC25D - Supertech Dual Valve Springs - 73 lb Seat Pressure

Outer Spring - 25.0mm OD - 18.0mm ID
Inner Spring - 18.0mm OD - 13.0mm ID
73 lb Seat Pressure @ 35.40mm
14.40mm Max Net Lift
21.0mm / 17.0mm Coil Bind
12.60 lbs/mm Rate

Will Fit Toyota Corolla 4AGE 16v Engines.

Complete set of 16 Dual Valve Springs, 16 Titanium Retainer's, 16 Spring Bases, 16 Valve Seals, 16 Valve Guides

This Package Includes: Supertech Performance Dual Valve Springs # SPR-TC25D, Supertech Retainer part # RET-2500/T1, Spring Base part # SS-3012, Valve Seal part # VS-T6SM, Valve Guide part # GDE-4AGE-SM

Supertech Performance Single Valve Springs are made with premium Super Clean Chrome Silicon Vanadium Steel alloy for higher performance and durability at high rpms and better memory. Computer designed to ensure that wire stress levels do not overpass the limits of stress defined in the diagrams of fatigue for long durability under extreme conditions. Computer software also allows us to make sure that the harmonics are well under control.

Titanium Retainers are manufactured with high quality military certified Titanium alloy, CNC machined for tight that will ensure long term durability.