Enginetech HB171 Engine Head Bolts for Chevrolet LS 4.8L/5.3L/5.7L/6.0L 1997-2004
The Enginetech HB171 Engine Head Bolts are high-quality replacement parts designed for precise fit and reliable performance in GM, Chevrolet, Hummer, and Isuzu vehicles with 4.8L, 5.3L, 5.7L, and 6.0L LS Series engines. Precision-engineered with durable high-strength steel, this set includes 15 bolts in three sizes (8 at 11mm x 2.00 x 155mm, 2 at 11mm x 2.00 x 100mm, 5 at 8mm x 1.25 x 45mm), securing one cylinder head for optimal engine integrity in automotive and truck applications. Two sets are required for a complete engine.
Specifications:
Bolt Sizes: 8 at 11mm x 2.00 x 155mm, 2 at 11mm x 2.00 x 100mm, 5 at 8mm x 1.25 x 45mm
Quantity: 15 bolts per set
Fitment includes:
Chevrolet Corvette: 5.7L / 346 OHV V8 16V LS Series 'G,S' (99.00mm Bore), 1997-2004
Chevrolet Silverado: 4.8L / 293 OHV V8 16V (3.780-inch Bore), 1999-2004
Chevrolet Silverado: 5.3L / 325 OHV V8 16V LS Series Vortec (3.780-inch Bore), 1999-2004
Chevrolet Silverado: 6.0L / 364 OHV V8 16V LS Series Vortec (4.000-inch Bore), 1999-2004
GMC Sierra: 4.8L / 293 OHV V8 16V (3.780-inch Bore), 1999-2004
GMC Sierra: 5.3L / 325 OHV V8 16V LS Series Vortec (3.780-inch Bore), 1999-2004
GMC Sierra: 6.0L / 364 OHV V8 16V LS Series Vortec (4.000-inch Bore), 1999-2004
Hummer H2: 6.0L / 364 OHV V8 16V 'U' (4.000-inch Bore), 2003-2004
Isuzu Ascender: 5.3L / 5328 OHV V8 16V 'P,M' (96.00mm Bore), 2003-2004
Isuzu Ascender: 6.0L / 5967 OHV V8 16V 'G,N,U' Vortec (101.60mm Bore), 2003-2004
Notes: Two sets required per engine (30 bolts total). For 2004 applications, use with engines featuring 1st design bolts of 3 different lengths. Engine VIN codes G, S, U, P, M, G, N specified for specific applications. Designed to meet or exceed OEM specifications for reliable performance and durability.
Upgrade your engine’s cylinder head assembly with the Enginetech HB171 from LowPricedAutoParts, engineered for precise fit and lasting performance.
