DESCRIPTION

--For Chevy Big Block 396 427 454 1.7 ratio 7/16" stud aluminum roller rocker arms set.

--Rocker Arm Ratio: 1.7

--Stud Size: 7/16"

--Rocker Arm Material: Aluminum

--Finish: Gold Anodized

--Rocker Arm Style: Full Roller

--Self-Aligning: No

--Rocker Arm Nut Style: Polylock

--Rocker Arm Body Style: Standard

--Made from 6061-T6 aluminum extrusions, each piece is precision CNC machined.

--Anodized for a superior finish and to reduce operating temperatures.

--Each rocker's arm features CNC machined pushrod cups and heat-treated roller tips for precise fitment and durability. These high-quality components ensure smooth operation and long-lasting performance.

--Full complement precision needle and cage roller bearings.

--Compatible with Big Block Chevy

396 (1966-1970), 402 (1970-1972), 427 (1966-1969), 454 (1970-1990)

--Set of 16.

--Package: Including all items in the pictures.

Note: Professional Installation Is Highly Recommended (No Instruction Included).