Product Description
BTR / Brian Tooley Racing LS Rear Main Crank Cover Seal – Replaces GM 89060436
Fits: LS1, LS2, LS3, LS4, LS6, L99, LSA, L92, L9H, L94, L76, L77, LY6, L96, LFA, LZ1, LY5, LMG, LMF, LH6, LC9, LY2, L20, L33, LQ4, LQ9, LR4, LM7, L59, LH8, LH9
The BTR LS Rear Main Crank Cover Seal (replaces GM 89060436) is a premium-quality replacement designed for all Gen III and Gen IV LS-based engines. Manufactured by Brian Tooley Racing, this seal ensures a precise, leak-free fit and delivers OEM-level sealing performance with the strength and durability required for high-performance applications.
Whether you're refreshing a stock engine, building a high-horsepower setup, or completing an LS swap, this rear main seal provides dependable crankcase sealing and long-term reliability. For easy and accurate installation, pair it with the Michigan Motorsports Rear Main Seal Installation Tool (Item D1100).
Key Features:
- Direct replacement for GM 89060436
- Compatible with all Gen III & Gen IV LS engines
- Provides a precise, long-lasting crankcase seal
- Constructed from premium, heat-and oil-resistant materials
- Designed for street, performance, and race builds
- Works with Michigan Motorsports Installation Tool: Item D1100
Replaces:
GM 89060436
