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Proform Engine Rocker Arm - 66907C

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Engine Roller Rocker Arm Set
Manufacturer: Proform
Manufacturer part number: 66907C
$201.92
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Rid your engine of internal friction with PROFORM's Super-Street aluminum roller-tipped rocker arms. The race-proven 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. The set includes 16 anodized aluminum roller rockers and 16 poly locks.

Note: Engine Roller Rocker Arm Set

Products specifications

Attribute name Attribute value
Maximum Spring Diameter (In.) 1.400 in.
Ratio 1.5
Stud Diameter (in.) 3/8 in.
Self Aligning No
Nut Style Polylock
Feature/Benefit Rid your engine of internal friction with roller-tipped rocker arms.
PartType Rocker Arm
Mounting Style Stud
Fasteners Included Yes
Category Roller Rocker Arm Set
Body Style Narrow
Arm Style Full Roller
Applications Chevy Small Block Engines
Country of Origin CN
Quantity per Application 16
🚗 Compatible with
668 vehicles are compatible with this product · 1958–1995
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