PRW Pro Series Billet Roller Rocker Arms 6535021, 1.60 Ratio, 3/8-Inch Stud Mount, Small Block Chevy

Upgrade your Small Block Chevy valvetrain with PRW Industries Pro Series Billet Roller Rocker Arms, part number 6535021. Designed for performance-focused engine builds, this complete set of 16 rocker arms features a 1.60 ratio and 3/8-inch stud-mount design for reliable compatibility with applicable SBC cylinder heads, including Vortec-style applications. The full-roller construction helps reduce friction at the valve tip and pivot points, supporting smooth and consistent valvetrain operation.
Machined from aluminum billet material, these PRW rocker arms provide a strong, lightweight solution for demanding street and performance applications. The clear anodized finish adds corrosion resistance while maintaining a clean appearance under the valve covers. Each rocker arm is engineered to promote accurate valve movement and dependable operation when properly matched with the engine’s camshaft, pushrods, valve springs, and cylinder head components.
The PRW 6535021 rocker arm set is intended for builders seeking improved valvetrain performance without sacrificing durability. Verify stud diameter, rocker arm ratio, pushrod length, valve tip geometry, and available clearance before installation to ensure proper setup. This set includes 16 full-roller rocker arms for a complete V8 application and is supplied for use with compatible Small Block Chevy engines.

Features:

• Brand: PRW Industries

• Part Number: 6535021

• Application: Small Block Chevy and compatible Vortec-style engines

• Quantity: Complete set of 16 rocker arms

• Rocker Arm Ratio: 1.60

• Mounting Style: 3/8-inch stud mount

• Construction: Billet aluminum

• Rocker Design: Full roller

• Finish: Clear anodized

• Application Type: Performance street and engine-building use