Big Block Chev 396-502 Aluminium Roller Rocker Set 7/16" Stud Mount, 1.7 Ratio

Big Block Chevy Aluminium Roller Rocker Set — 7/16" Stud Mount, 1.7:1 Ratio. Accurate valve timing is the key to horsepower, and Aeroflow Performance roller rocker arms help lock it in—from street cruisers to high-RPM race engines. This Big Block Chevy set covers 396, 427, 454, and 502 builds and features a 7/16" stud mount with a 1.7:1 ratio. Extruded 2024 billet aluminium body with a large profile designed to enhance valve train stability under load and high RPM.

• Steel trunnions with needle and cage bearings to reduce harmonics and friction for smoother operation and increased durability.
• Internal retaining circlips replace traditional spiral lock clips, improving retention and reliability.
• Oversized trunnions and robust construction support up to 750 lbs open valve spring pressure for demanding NA, nitrous, or boosted applications.
• Versatile compatibility available for a variety of V8 engines with different stud threads and ratios to suit your setup.
• Complete packaging includes 16 rocker arms and 16 poly lock nuts; an option to purchase an additional set of two if required.
• Designed for performance seekers who want consistent valve timing and strong valvetrain stability across the spectrum—from street cruising to nitrous-assisted drag sessions.
• Upgrade your Big Block Chevy with these aluminium roller rockers and unlock the potential of your 396–502 builds.