Gen 5 LT1 L86 L83 .660" Dual Valve Spring Kit with Premium Polished Springs & Titanium Retainers

Gen 5 LT1 Premium .660" Polished Double Spring Kit With Titanium Retainers. This valve spring kit is excellent for high performance or racing use for up to .660" lift using stock rocker arms. This kit includes valve springs, titanium retainers, valve locks, spring seats and valve seals. 

NOTE: There is a different part number for Gen 5 LT4 engines. Please search for Gen 5 LT4 valve springs if you need this kit.

Spring specs:

160 lbs @ 1.780"
425 lbs @ 1.150"
435 lbs @ 1.130"
coil bind @ 1.070"