Crower 74244F Features:

Crower stainless steel shaft rocker system for Frankenstein LS-M311 273 cc 11-degree cylinder heads Heavy-duty 5/8 in. shafts help reduce valvetrain deflection in high-horsepower, high-rpm builds Engineered for demanding track and racing applications using aggressive solid roller camshaft setups Designed for reliable performance under extreme stress with BAM solid lifters and solid stem valves

Shaft Rockers Frankenstei Stainless Steel 5/8 In. Shafts For Features:

• Stainless steel rocker arms for Frankenstein LS-M311 273 cc 11-degree heads with 5/8 in. shafts for precise valvetrain geometry and secure shaft-mount stability
• Heavy-duty 5/8 in. shaft design helps reduce valvetrain deflection in high-horsepower, high-rpm engine combinations under severe racing loads
• Engineered for high-rpm durability with stainless steel construction to support aggressive solid roller camshaft valvetrain setups
• Application-specific fit for Frankenstein LS-M311 273 cc cylinder heads simplifies matching for custom performance LS engine builds
• Proven reliability in extreme-stress track use with improved valvetrain control for demanding 427 ci V8 performance applications