Dual Spring Kit w/ Titanium Retainers – Mitsubishi | 420A

High-performance dual valve spring kit with titanium retainers for Mitsubishi | 420A, improving valve control, high-RPM stability, and durability. This product requires the use of the OEM keeper. Supertech doesn't provide these keepers as part of this spring kit.

Attributes
Spring Type	Dual Valve Spring
Seat Pressure	84lbs @ 34.60mm
Retainer Material	Titanium

Specs
Outer Spring Od	27.50mm
Outer Spring Id	20mm
Inner Spring Od	20mm
Inner Spring Id	15.20mm
Seat Pressure	84lbs @ 34.60mm
Open Pressure	202lbs @ 24.60mm
Max Lift	13.90mm
Coil Bind	20.70mm
Safe Rpm Limit	8000
Retainer	ret-m60-t1
Retainer Qty	16
Seat Locator	seat-ec1015
Seat Locator Qty	16
Kit Spring	spr-ts1015
Rate	12.10lbs/mm
Kit Spring Qty	16