Proform Engine Roller Rocker Arm Set; 1.7 Ratio; 7/16 Stud; Aluminum; Fits BB Chevy 66913

Rid your engine of internal friction with roller-tipped rocker arms. The race-proven full cage bearing, fulcrum and roller tip not only unleash horsepower, they also lengthen valve train component life and reduce wear and tear on valve stem tips. Precision machined to insure consistency and ratio accuracy. Each rocker arm has a laser etched PROFORM "P" logo. 16 anodized aluminum roller rockers and 16 poly locks are included in the kit.

Attributes:

• GTIN: 00037995369133
• Brand Name: Proform
• Applications: Chevy Big Block Engines
• Arm Style: Full Roller
• Body Style: Standard
• Engine: Chevy Big Block
• Fasteners Included: Yes
• Feature/Benefit: Rid your engine of internal friction with roller-tipped rocker arms.
• Finish: Blue Anodized
• Includes Shims: NO
• Make: Chevrolet
• Material: Extruded Aluminum
• Maximum Spring Diameter (In.): 1.500 in.
• Mounting Style: Stud
• Nut Style: Polylock
• Part Type: Rocker Arm
• Ratio: 1.7
• Self-Aligning: No
• Stud Diameter (in.): 7/16 in.

Extended Information:

• Country of Origin: China
• Emissions : Released
• Life Cycle Status: Available To Order

Packing Information:

• Quantity of Each: 1
• Package UOM: EA
• Dimension: 21 x 8 x 1.88 inches
• Weight: 8.18 lb