LS 660 Lift Dual Valve Spring Kit - Factory LS Casting Cylinder Head - Integrated Seat Seal

LS 660 Lift Dual Valve Spring Kit - Factory LS Casting Cylinder Head - Integrated Seat Seal

Marsoni

M251S

$149.50

Get it in 3 business days with 1 day shipping. Friday, May 29

LS 660 Lift Dual Valve Spring Kit - Factory LS Casting Cylinder Head - Integrated Seat SealDual Spring Kit for Factory GM Casting Cylinder. This kit is for a factory casting LS1, LS2, LS3, L92 with an OE style valve guide. Designed for 0. 500 valve guide utilizing the factory 8mm valve and valve locks. Specs: Rated Valve Lift 0. 660 inches Installed Height 1. 800 @ 166 lbs Spring Rate: 403# in Solid Height 1. 015 Spring OD 1. 310" Spring ID 0. 680" Kit includes: Dual Valve Springs Titanium Retainers Integrated Spring Seat with Valve Stem

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Reviewed in the United States on April 1, 2025