Upgrade your LS-series engine’s reliability with the ARP LS Cam Bolt Kit 134-1003. Precision-engineered with chromoly steel and superior tensile strength, these cam-to-timing-gear bolts deliver positive timing gear register and unmatched durability—perfect for aftermarket camshaft conversions or performance builds.
Key Benefits
✅ High Tensile Strength (180,000 psi Chromoly) — Eliminates timing gear slippage under extreme conditions.
✅ Enhanced Preload Clamping Force — Delivers secure cam timing under valve train stress.
✅ Reduced Head Size & 10 mm Hex — Easier installation and removal in tight engine bays.
✅ Perfect Upgrade for 3-Bolt Cam Conversions — Ideal when installing aftermarket camshafts or timing gear.
✅ Reliable Materials & Construction — Made from high-quality 8740 alloy chromoly for long-lasting performance.
Product Overview
The ARP 134-1003 kit includes three M8 × 1.25 bolts, 25 mm under-head length, black oxide finish—designed for LS-series engines. A must-have for anyone performing a single-bolt cam to 3-bolt camshaft conversion or seeking robust camshaft mounting reliability.
Compatibility
Bolt Fit: All Gen III / Gen IV Chevrolet LS-series engines: LS1, LS2, LS3, LS6, LS7, LS9, LSA, L76, L77, L98, LM7, and LSX Precision
Vehicle Examples: Wide range including Chevrolet Camaro, Corvette, Silverado, Cadillac CTS-V, and Holden models like Commodore VE/VF and Calais/Caprice variants
Installation Notes
Thread Size: M8 × 1.25
Under Head Length: 25 mm (0.984 in)
Torque Specs: Lubricate with ARP Ultra-Torque and tighten to 25 ft-lb. Summit Racing
Socket Size: 10 mm hex
Shipping & Returns
We ship Australia-wide with tracking. Orders normally dispatch within 1–5 business day.
Warranty & Policies
Warranty: Included (subject to correct fitment).
Returns: Not accepted if the customer orders the wrong item. Please verify compatibility before purchasing.