Engine Rebuild Re-Ring Kit AP02 Compatible With GM Gen III LS1 LS6 LQ4 LQ9 4.8L 5.3L

AP02 Engine Rebuild Re-Ring Kit for GM Gen III LS1 LS6 LQ4 LQ9 4.8L 5.3L This engine rebuild kit is designed for GM Gen III engines including LS1, LS6, LQ4, LQ9, 4.8L, and 5.3L applications.It provides essential components for a complete engine re-ring and rebuild process, suitable for direct replacement installations.The kit includes one Gen III valley cover gasket (12558178), two LS1/LS2/LS3 header gaskets, one LS oil pan gasket, two LS water pump gaskets, one LS front cover gasket, two LS valve cover gaskets, one LS damper seal, one LS rear cover gasket, one rear main seal, four water crossover/block off gaskets (12551933), one oil filter adapter bypass gasket (12611384), two knock grommets (12558177), two multi-layer steel (MLS) head gaskets compatible with LS9 engines, one bolt kit, one piston rings set, and a full set of main and connecting rod bearings.Fitment covers various GM models such as Silverado 1500 (Base, LS, LT, WT), Silverado 2500 HD (Base, LS, LT, LTZ, WT), Silverado 3500 HD, Suburban 2500, Express 3500, Sierra 1500 (SL, SLE, SLT, Base, WT), and Sierra 2500 HD (SL, SLE, SLT, Base, WT) from model years 1999 to 2010.Compatible with engine types: GM Car 325/5.3L OHY V8 16V with 3.780" bore GM Van 293/4.8L OHV V8 16V with 3.780" bore GM Van SUY 325/5.3L OHV V8 16V with 3.780" bore /Van 325/5.3L OHV V8 with 95.94mm bore Van 5328/5.3L OHV V8 16V with 96.00mm bore Van 5326/5.3L OHV V8 16V with 96.00mm bore Note: Piston rings are not compatible with 6.0L engines.The gaskets included can be used with LS3, LS2, 6.0L iron blocks, 4.8L/5.3L, and LS1/LS6 setups with a default bore size of 4.09 inches.

• Engine Re-Ring Kit Compatibility – Designed for GM Gen III engines including LS1 LS6 LQ4 and LQ9 models providing fitment for 4.8L and 5.3L engine rebuilds
• Comprehensive Rebuild Components – Includes pistons rings valve seals and related hardware needed for a complete cylinder head and block refresh
• Direct Replacement Design – Matches OEM specifications for integration into existing engine assemblies without modification
• Material Construction – Rings and seals crafted from grade materials to withstand temperatures and maintain compression over time
• Wide Application Range – Suitable for use in trucks SUVs and function vehicles equipped with GM’s Gen III small block V8 platform