Product Description
BTR / Brian Tooley Racing Heavy Duty Timing Chain - Fits LS & LT Applications - Like GM 12646386 / 12586482
The BTR Heavy Duty Timing Chain (BTR46386) delivers the strength and reliability your LS or LT build deserves. Manufactured by an OEM Tier-1 supplier, this single-roller chain meets the highest quality standards for precise valve timing and long term durability, whether for daily driving, street performance, or racing applications.
With Brain Tooley Racing's name behind it, you can trust that this chain offers premium performance and durability that goes beyond stock replacement parts.
Key Features:
- Heavy-duty single-roller chain for LS & LT applications
- Built by an OEM Tier-1 manufacturer for superior strength and consistency
- Compatible with Gen 3, Gen 4, and Gen 5 engines
- Works with factory single-row gear sets and OEM sprockets
- Ideal for stock or high-performance builds
- Direct replacement for GM part numbers 12646386 and 12586482
Applications Include:
Gen 3 & Gen 4 Engines: LS1, LS2, LS3, LS6, LQ4, LQ9, L76, L77, LY6, L96, etc.
Gen 5 LT Engines: LT1, LT4, L83, L8B, L86, L84, L87, L8T, L82
Replaces:
- GM 12646386
- GM 12586482