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![Self-Aligning Aluminum Roller Rocker Arms for Small Block Chevy Center Bolt Heads [1.5 Ratio, 3/8 in. Stud, Blue]](https://www.jegs.com/images/mini_750/700/778/778-66914c.jpg)
Vehicle Info NeededPROFORMPART NUMBER: 778-66914C
Self-Aligning Aluminum Roller Rocker Arms for Small Block Chevy Center Bolt Heads [1.5 Ratio, 3/8 in. Stud, Blue]
$28299
Ships on 11/02/2026
Lowest Price GuaranteeSelf-Aligning Aluminum Roller Rocker ArmsFits Small Block Chevy Center Bolt Heads 1.5 Ratio 3/8 in. Stud Mount Full Cage Bearing Fulcrum and Roller Tip Poly Locks Included Aluminum Blue Anodized Finish Set of 16
Full roller rockers take friction out of the valvetrain at both the fulcrum and the tip. These self-aligning aluminum rockers use a race-proven full cage bearing and roller tip, are precision machined for consistent ratio accuracy, and are built for Small Block Chevy center bolt heads. Each rocker carries a laser etched Proform logo, and the kit includes 16 rockers and 16 poly locks.
Proform 66914C Self-Aligning Roller Rocker Arm Set Features:
- Fits Small Block Chevy center bolt (Vortec style) cylinder heads
- 1.5 rocker ratio on 3/8 in. studs
- Self-aligning design with full cage bearing fulcrum and roller tip
- 1.400 in. maximum valve spring diameter
- Precision machined for consistency and ratio accuracy
- 16 poly locks included
- Aluminum construction, blue anodized with laser etched logo
- Set of 16 rocker arms
Reduce Valvetrain Wear With Roller Rockers
One of the best ways to rid an engine of internal friction is with a set of aluminum roller rocker arms. Proform's race-proven roller tips unleash horsepower, eliminate valve stem tip wear and tear, and extend valvetrain component life. These aluminum roller rockers are precisely machined to ensure ratio accuracy and consistency.
Part TypeRocker Arm
Product LineProform Aluminum Roller Rocker Arms
BrandPROFORM
Package Height3.25
Package Width11.75
Package Length13.0
Weight6.5 PG
Part CategoryPerformance Parts
Includes ShimsNo
Maximum Spring Diameter1.400 in
Stud Size 0.3750
Nut StylePolylock
ColorBlue
QuantitySet of 16
MaterialAluminum
Stud Diameter3/8 in
Rocker Arm Mounting StyleStud
Engine Make/SizeChevy Small Block (262-400)
Self-AligningYes
Rocker Arm StyleFull Roller
Rocker Arm Body StyleNarrow
Ratio1.5
Part FitmentDirect Fit
FinishAnodized
Package Qty1
Package TypeEA
Some parts are not legal for use in California or other states with similar laws / regulations
