General Motors

Head bolt repair Check list for additional items needed, not included with repair kits.

Time-Sert M12x1.75 LS9 Head Bolt Repair Kit P/n EN-42385-50

GM NorthStar 2004 M11x 2.0 Headbolt P/n J-42385-2030

GM NorthStar 2000 M11x 1.5 Headbolt P/n J-42385-2000

GM NorthStar M11x 1.5 Headbolt P/n J-42385-500

Big-Sert NorthStar M11x1.5 p/n J-42385-500BS

Universal M8x1.25 Core kit for use with GM main bearing P/n 1812ECORE-PLATE

Oldsmobile M11x1.5 head bolt 3.5 liter kit p/n 6001

GEN 3 M11x 2.0 Headbolt 5.7 liter P/n J-42385-100

GEN3 M10x2.0 Main Bearing 5.7 liter P/n J-42385-120

GM Inline 6 LL8 M11x2.0 head bolt kit p/n 4001

GM M11x2.0 ECOTEC GEN2 P/n 9530

M8x1.25 GM Rocker Arm P/n 1812CORE

M8x1.25 BIG-SERT Oversized Rocker Arm P/n 1812CORE-BS

7/16-14 kit with .600 stainless & tap guide p/n 0761D

7/16-14 Oversized Big-Sert Kit p/n 5761E

NorthStar 4.0/4.6 M10x1.5 Main Bearing P/n J-42385-300

M12x1.25 Spark plug Extended Tooling P/n 4212E-GM88

M14x1.25 Spark Plug Extended Kit Taper seat P/n 4412E-187