Crower 87018-1 Features:

Crower 87018-1 chromoly valve spring retainer for Chevrolet LS1 applications with 8 mm valves Designed for conical valve springs to support proper fitment in GM LS1 valvetrain setups Heat-treated chromoly construction helps provide strength, durability, and reliable valve control Single retainer configuration; matching 16-piece engine set available separately as part 87018-16

Retainers Chromoly 8MM Va For LS1 Chevy, Conical Valve Features:

• Heat-treated chromoly construction for valvetrain strength and long-term durability in high-performance Chevrolet LS1 engine builds with 8 mm valves
• Precision fit for 8 mm valves in GM LS1 applications, supporting dependable installed alignment and consistent retainer engagement under load
• Designed for conical valve spring compatibility, helping maintain proper spring location and stable valve control in performance setups
• Single retainer configuration suits custom builds and service replacement needs, with matching geometry for dedicated LS1 valvetrain applications
• Crower 87018-1 performance retainer upgrade offers robust material choice and application-specific fitment for demanding street or race use