Best Proform Engine Rocker Arms in 2026

Daisy
Last Updated: Feb 8, 2026

At a Glance: Our Top Picks for Proform Engine Rocker Arms

Proform 66906C Stamped Roller-Tip Rocker Arm, 1.5 Ratio, 3/8" Stud
#TOP1
Proform 66906C Stamped Roller-Tip Rocker Arm, 1.5 Ratio,
7.5
PM SCORE
Proform 66878 Extruded Aluminum Roller-Rocker Arm
#TOP2
Proform 66878 Extruded Aluminum Roller-Rocker Arm
5.5
PM SCORE
Proform 66907 Extruded Aluminum Roller-Rocker Arm, 1.5 Ratio, 3/8" Stud
#TOP3
Proform 66907 Extruded Aluminum Roller-Rocker Arm, 1.5 Ratio,
5.5
PM SCORE

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Summary of the Best Proform Engine Rocker Arms of 2026

Proform 66906C Stamped Roller-Tip Rocker Arm, 1.5 Ratio, 3/8" Stud

PROFORM
66906C
12.75 X 9.75 X 5.50 Inches
2.62 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Designed for select Chevrolet Small Block Engines

1.5 Ratio for 3/8" studs

Extra long slot eliminates rocker to stud interference.

Reduces internal valve train friction

16 rockers, anti-gall grooved balls and nuts per package

Proform 66878 Extruded Aluminum Roller-Rocker Arm

PROFORM
66878
21.00 X 8.00 X 5.50 Inches
7.50 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Tech, Toys & Beyond 7.42

Features

Package Dimensions: 40.64 H x 5.08 L x 27.94 W (centimetres)

Package Weight: 1.533 kilograms

Fit type: Vehicle Specific

Country of Origin : China

Proform 66907 Extruded Aluminum Roller-Rocker Arm, 1.5 Ratio, 3/8" Stud

PROFORM
66907
20.90 X 8.10 X 2.00 Inches
6.25 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Designed for select Chevrolet Small Block Engines

1.5 Ratio for 3/8" studs

Full needle bearing fulcrum and roller tip

Reduces internal valve train friction

16 extruded aluminum roller rockers and 16 poly locks.

#TOP4

Proform 66907C Extruded Aluminum Roller-Rocker Arm

PROFORM
66907C
12.20 X 13.20 X 3.10 Inches
2.25 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
PartsHawk 9.43

Features

Package Dimensions: 1.777 H x 22.86 L x 32.004 W (centimetres)

Country of Origin : China

Package Weight: 6.05 pounds

Fit type: Vehicle Specific

#TOP5

Proform 66905 Stamped Stock Long-Slot Rocker Arm, 1.5 Ratio

PROFORM
66905
7.40 X 7.00 X 3.00 inches
4.21 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Designed for select Chevrolet Small Block Engines

1.5 Ratio for 3/8" studs

Extra long slot eliminates rocker to stud interference.

Proven OEM quality

16 rockers, grooved balls and nuts per package.

Proform 66908C Extruded Aluminum Roller-Rocker Arm

PROFORM
66908C
13.00 X 11.75 X 5.50 Inches
0.80 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Package Dimensions: 1.27 H x 32.004 L x 23.114 W (centimetres)

Country of Origin : China

Package Weight: 6.15 pounds

Fit type: Vehicle Specific

Proform 66915C Extruded Aluminum Roller-Rocker Arm

PROFORM
66915C
13.00 X 11.75 X 5.50 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Package Dimensions: 3.81 H x 29.464 L x 31.75 W (centimetres)

Country of Origin : China

Package Weight: 6.55 pounds

Fit type: Vehicle Specific

#TOP8

Proform 66922 Stamped Roller-Tip Rocker Arm, 1.6 Ratio, 3/8" Stud

PROFORM
66922
21.00 X 8.00 X 5.50 Inches
0.10 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Performance Parts Racing 9.67

Features

Designed for select Chevrolet Small Block Engines

1.6 Ratio for 3/8" studs

Extra long slot eliminates rocker to stud interference.

Reduces internal valve train friction

16 rockers, anti-gall grooved balls and nuts per package

#TOP9

Proform 66906B Stamped Roller-Tip Rocker Arm, 1.5 Ratio, 3/8" Stud

PROFORM
66906B
21.00 X 8.00 X 5.50 Inches
5.00 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Performance Parts Racing 9.67

Features

Designed for select Chevrolet Small Block Engines

1.5 Ratio for 3/8" studs

Extra long slot eliminates rocker to stud interference.

Reduces internal valve train friction

16 rockers, anti-gall grooved balls and nuts per package

Proform 66911C Extruded Aluminum Roller-Rocker Arm

PROFORM
66911C
13.00 X 11.80 X 3.30 inches
5.90 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Package Dimensions: 6.35 H x 28.956 L x 32.004 W (centimetres)

Package Weight: 6.2 pounds

Fit type: Vehicle Specific

Country of Origin : China

#TOP11

Proform 66911 Ford Aluminum Rocker Arms, 1.6 Ratio, 3/8" Stud

PROFORM
66911
20.90 X 8.10 X 2.00 Inches
6.00 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Performance Parts Racing 9.66

Features

Designed for select Ford Small Block Engines

1.6 Ratio for 3/8" studs

Full needle bearing fulcrum and roller tip

Reduces internal valve train friction

16 extruded aluminum roller rockers and 16 poly locks.

#TOP12

Proform 66908 Extruded Aluminum Roller-Rocker Arm, 1.6 Ratio, 3/8" Stud

PROFORM
66908
21.00 X 8.00 X 5.50 Inches
6.20 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Performance Parts Racing 9.66

Features

Designed for select Chevrolet Small Block Engines

1.6 Ratio for 3/8" studs

Full needle bearing fulcrum and roller tip

Reduces internal valve train friction

16 extruded aluminum roller rockers and 16 poly locks.

#TOP13

Proform 66936 Poly Locks For Roller-Rocker Arms, 7/16"

PROFORM
66936
38.40 X 25.20 X 25.20 Inches
0.10 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

16 per package

Package Dimension : 4.826 centimeters L x 7.62 centimeters W x 5.334 centimeters H

Fits most extruded aluminum rocker arms

Country of Origin: UNITED STATES

#TOP14

Proform 66923C Chevy Rocker/Pushrod Kit

PROFORM
66923C
9.75 X 15.75 X 5.50 Inches
6.00 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
CT Auto Accessories 5.54

Features

Package Dimensions: 15.75 L x3.25 H x9.75 W (inches)

Package Weight: 6.25 pounds

Country of Origin : China

Part Number: 66923C

Proform 66914C Extruded Aluminum Roller-Rocker Arm

PROFORM
66914C
13.00 X 11.75 X 5.50 Inches
6.50 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
KART IT 9.64

Features

Package Dimensions: 6.35 H x 23.114 L x 32.004 W (centimetres)

Country of Origin : China

Package Weight: 6.5 pounds

Fit type: Vehicle Specific

#TOP16

Proform 66907P Aluminum Roller Rocker Arm

PROFORM
66907P
3.00 X 2.10 X 1.60 Inches
1.00 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
JEGS 9.75

Features

Small Block Chevy

1.5 Ratio

3/8" Stud

1/pkg

Rated for up to 450 lbs of Open Load Pressure

Michigan Motorsports Ls Rocker Arm Trunion Upgrade Kit - Fits Gm Ls1 Ls2 Ls6 Ls3 4.8 5.3 5.7 6.0

MICHIGAN MOTORSPORTS
55100-01
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Michigan Motorsports 9.74

Features

Converts a stock LS series Rocker Arm into a Captured Roller Trunion Rocker Arm

Used on all GM LS style rocker arms

Fits LS1 LS2 LS3 LS6 L99, LS4, LS7, LS9 LSA LQ4 LQ9 L76 L92 LR4 LM7 L59 LM4

4.8 5.3 5.7 6.0 6.2 7.0

Trunions, Bearings, Retaining Clips, and New Bolts Included

Top 10 engine rocker arms proform Brands on Amazon

Here is the list of top-rated brands that were evaluated by PM.

Brand Count
Proform 16
Michigan Motorsports 1

Top 10 engine rocker arms proform Brands Pie Chart


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