Holden V8 Timing Chain Set – Cam Sprocket, ARP Cam Bolts, Crank Gear, HD Timing Chain
Upgrade your LS engine with the Michigan Motorsports HD Timing Chain Set – built for reliability, precise timing, and long service life. Perfect for cam upgrades, performance builds, and as a heavy-duty replacement for worn factory components.
Kit Includes:
3-Bolt Cam Sprocket (58X) – Replaces GM #12586481
Crankshaft Sprocket – Replaces GM #12556582
Heavy-Duty Timing Chain – Replaces GM #12646386
ARP Camshaft Bolts (134-1003) – Increased preload and clamping force for superior timing gear retention
Product Features:
GM 3-Bolt 4-Pole timing gear – ideal for converting from 1-bolt to 3-bolt camshafts
Stock replacement lower timing chain gear – fits all LS engines except LS7 and LS9
ARP cam bolts designed to overcome valvetrain harmonics and stress
Durable heavy-duty chain for improved longevity and performance
Direct OEM replacement for easy installation
Fitment Guide (including but not limited to):
Fits LS engines: 4.8L, 5.3L, 5.7L, 6.0L
LS1, LS2, LS3, LS6, L99, LS4, LS9, LSA, LQ4
Shipping:
Orders shipped within 3 business days
Tracking number provided upon dispatch
Australia-wide and international shipping available
Warranty:
Warranty: Included (conditions apply)
Returns: Not accepted if the wrong part is ordered – please confirm compatibility before purchase

