PN: HB171
-3 different length bolts (early style)
Enginetech HB171 Cylinder Head Bolts Set includes both heads for 1997-2004 Chevrolet GM Gen III LS 4.8L 5.3L 5.7L 6.0L Engines. Engineered for increased tensile strength to ensure a secure installation, these high-quality bolts provide a tight, leak-free seal.