Proform Engine Roller Rocker Arm Set; 1.5 Ratio 3/8 Stud; Extruded Type; Fits SB Chevy 66907

Rid your engine of internal friction with roller-tipped rocker arms. The race-proven full needle 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. 16 extruded aluminum roller rockers and 16 poly locks.

Attributes:

• GTIN: 00037995369072
• Brand Name: Proform
• Applications: Chevy Small Block Engines
• Arm Style: Full Roller
• Body Style: Narrow
• Engine: Chevy SB Gen 1
• 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.): 1.400 in.
• Mounting Style: Stud
• Nut Style: Polylock
• Part Type: Rocker Arm
• Ratio: 1.5
• Self-Aligning: No
• Stud Diameter (in.): 3/8 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: 6.25 lb