Manufacturer: Jackson Auto Machine Product: Dual Spring Kit MSRP: $645.00 (MSRP is typically higher than most shop prices) Description: For all Turbo-NOS injected Mitsubishi’s taching in excess of 9000 RPM and Boost over 25PSI, this complete dual spring kit is for you.
The kit comes with all these items:
*16~ Valve spring locators
*16~ Titanium Retainers
*16~ Dual Valve Springs
Seat pressure: 92 lbs @ 1.600
Open pressure: 215 lbs @ 1.100
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