Bruce & Shark LS Valve Springs 550" Lift Springs for LS1 LS2 LS3 LS6 LM7 LQ4 LQ9, 16PCS Beehive Springs with Hat Seals, Replaces 12713265 12499224 Fit LS6 Replacement
Direct Fitment for LS Engines - Compatible with LS1, LS2, LS3, LS6, LM7, LQ4, LQ9 engines – ideal upgrade for Chevrolet Camaro, Corvette, Silverado & for GMC Sierra
High-Performance .550" Lift Capacity - Optimized for aggressive camshaft profiles with reduced ramp stress, supporting lifts up to .550" for enhanced engine durability
Complete Kit with OE Precision - Set includes 16 beehive valve springs + tophat stem seals (Part# 28-12713265-16), matching factory specs for seamless installation
Superior to LS6 Stock Springs - Upgraded spring rate and fatigue resistance compared to original LS6 components, ideal for high-RPM and forced induction builds
Interchangeable Part Coverage - Replaces #12713265, 12499224 – trusted solution for LS engine rebuilds, muscle car restorations, and performance tuning