For 02-20 Up Gm Chevrolet Gen Ii Iii Iv Ls .560" Lift Beehive Valve Springs Set

100% Brand New,never been use 107 lbs @ 1.800"; 285 lbs @ 1.240" 560" Max Lift Beehive design Works with stock retainers & locks Engineered and Tested to Exceed Original Equipment Standards and Performance Professional Installation is Highly Recommended (No Instruction Included). Package includes: 16 Bee Hive Valve Springs and 16 VITON "Top Hat" valve seals (8 intake and 8 exhaust) Just as piactures shown ? Fitment: Fits GM - LS1, LS2, LS4, LS6, LQ4, LQ9, LM7, L59, LR4, LM4, L33, L76, L77, LY2, L20, LY5, LMG, LMF, LY6, L96, LH6, LC9, LH8 or LH9 for the 2002 to 2020+ model years Fits GEN II, III & IV LS style engines (4.8L, 5.3L, 5.7L, 6.0L, 6.2L & 7.0L)