Genuine GM Parts 11604960 - Starter Bolt for LS and LT Engines M10x1.5x120mm

Description

The GM Genuine Parts 11604960 Starter Bolt is an authentic factory Original Equipment (OE) mounting fastener engineered specifically for securing starter motors on General Motors LS and LT series V8/V6 engines. Measuring M10 x 1.50 with a 120mm length under the head (4.724 in), this long-style starter bolt features a knurled shank near the threads to ensure precise alignment and positive engagement between the starter nose housing and the engine block deck. This knurled design prevents starter kickback, pinion gear kickout misalignments, and ring gear teeth shearing under high cranking loads. Key Technical Specifications: • Product Type: Starter Motor Mounting Bolt • Thread Size & Pitch: M10 x 1.50 • Under Head Length (UHL): 120 mm (4.724 in) • Head Style: Hex Flange Head • Special Feature: Factory knurled shank shaft for vibration-resistant alignment • Material/Finish: High-Strength Heat-Treated Steel with Protective Silver Zinc Finish • Quantity Required: 2 bolts per starter assembly on standard LS/LT blocks