The BTR-85673 timing cover damper seal is designed for GM Gen III and Gen IV LS engines and provides a direct-fit replacement for the factory front cover seal. It maintains a reliable seal between the crankshaft damper and timing cover, preventing oil leakage and supporting long-term timing-system performance.

Brian Tooley Racing BTR-85673 Includes:

• One timing cover damper seal

Brian Tooley Racing BTR-85673 Features:

• Direct-fit replacement for GM 12585673
• Seals the crankshaft damper interface at the timing cover
• Compatible with GM Gen III and Gen IV LS front cover designs
• Supports leak-free operation in stock and performance engine builds

Brian Tooley Racing BTR-85673 Notes:

• Install with the timing cover clean, aligned, and free of debris
• Inspect crankshaft snout and damper surface before installing seal
• Sold individually; one seal required per timing-cover assembly