Supertech Mazdaspeed 3/6 Valve Spring and Retainer Kit DUAL SPRING 70LB

-Supertech valve springs are made with premium Superclean Chrome Silicon Vanadium Steel alloy for higher performance & 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 arewell under control.
-The retainers are manufactured with high quality military certified Titanium alloy, CNC machined for a tight fit that will ensure a long durability.

• Type: Dual Spring
• Press.Seat: 70 @ 36.2
• Max Lift: 13mm
• Coil Bind: 20.7mm
• Rate: 12.10mm
• Retainer: RET-TS5.5/T1
• Spring: SPR-TS-DUR-D2
• Seat Locator: SEAT-DUR2 + OEM Seat locator