Aluminum Roller Rocker Arms Set 1.5 Ratio 3/8" Studs for Chevy SBC 327 350 400

Product Overview

This aftermarket replacement roller rocker arm set is intended for Chevy SBC applications including 327, 350, and 400 engines, and it features a 1.5 ratio with 3/8" studs. Roller rocker arms transfer camshaft motion to the valve train through a roller tip and trunnion arrangement. The set is supplied as an aluminum roller rocker arm assembly for the listed small block Chevy applications.

Key Features & Performance

• Roller rocker arms translate camshaft lift into valve movement within the engine valvetrain.
• The roller tip and trunnion arrangement is intended to reduce friction between the rocker arm and valve tip compared with a conventional slider rocker.
• Aluminum construction keeps the rocker body weight low for the listed applications.
• 1.5 ratio with 3/8" studs as stated for this set.
• Sold as a set for servicing the listed Chevy SBC engine applications.

Fitment & Compatibility

• for Chevy SBC 327 applications
• for Chevy SBC 350 applications
• for Chevy SBC 400 applications

Common Uses

• Replacing worn or damaged rocker arms in the valvetrain of the listed small block Chevy engines.
• Servicing the valvetrain during cylinder head or camshaft work.
• Restoring normal valve actuation after a rocker arm failure.

Technical Specifications

• Product Type: Roller Rocker Arm Set
• Ratio: 1.5
• Stud Size: 3/8"
• Material: Aluminum
• Engine Application(s): Chevy SBC 327, 350, 400

Frequently Asked Questions

Q: What does a roller rocker arm do? A: A roller rocker arm transfers camshaft motion to the valve, using a roller tip and trunnion to guide that motion within the valvetrain.

Q: How do I verify fitment? A: Confirm your engine displacement and existing rocker arm part number, then compare them against the 1.5 ratio and 3/8" stud specification before ordering.

This is an aftermarket replacement part and is not represented as genuine or original equipment. Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number, model year, or existing part number. Verify fitment before purchase.