Chevy Performance - Proform Rocker Arms, Parts, Valve Train

Chevy Performance - PROFORM ROCKER ARMS, PARTS, AND VALVE TRAIN

Proform Roller Rocker Arms have a full needle bearing, fulcrum and roller tip to eliminate friction, which in turn equals more horsepower and longer valve train component life. Available in Heavy Duty, Standard Duty, 1.5 and 1.6 ratio, and for 3/8” or 7/16” studs. Proform also has stamped plain and roller-tip, cast chrome moly plain and self aligning roller tip rocker arms. If you need rocker studs, rocker stud girdles, or guide plates they have them too.
Note: More parts will be added as time permits. If you don’t see the Proform part you are looking for, give us a call and if we don’t have it in stock, we will try to get it for you. We have much more Proform parts in stock then we have time to put on our web site.

Updated 04-11-2006.
RATED SAFE AND NON-OFFENSIVE FOR CHILDREN AND ADULTS
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PROFORM STAMPED STEEL STOCK ROCKER ARMS

Part Number

Description

Picture

66905

SBC Stamped Steel, Long-Slot, 1.5 Ratio 3/8”

1.5 ratio stamped steel rocker arms for small-block Chevrolet heads with 3/8” rocker studs. For use when roller tip is not required. Proven OEM quality. Extra long slot eliminates rocker to stud interference when using high lift cams. 16 rockers, 16 anti-gall grooved balls, and 16 nuts per package.

67300

SBC Stamped Steel, Long-Slot, 1.6 Ratio 3/8”

1.6 ratio stamped steel rocker arms for small-block Chevrolet heads with 3/8” rocker studs. For use when roller tip is not required. Proven OEM quality. Extra long slot eliminates rocker to stud interference when using high lift cams. 16 rockers, 16 anti-gall grooved balls, and 16 nuts per package.

PROFORM STAMPED STEEL ROLLER-TIP ROCKER ARMS

Part Number

Description

Picture

66906B

SBC Stamped Steel Roller-Tip, Long-Slot, 1.5 Ratio 3/8”

1.5 Ratio for 3/8” rocker studs. The super affordable way to reduce internal valve train friction and valve stem wear. Extra long slot eliminates rocker to stud interference when using high light cams. 16 rockers, 16 anti-gall grooved balls, and 16 nuts per package. Comes in a box (“B”).

66906 1.5 Ratio Stamped Steel Roller Tip

66922

SBC Stamped Steel Roller-Tip, Long-Slot, 1.6 Ratio 3/8”

1.6 Ratio for 3/8” rocker studs. The super affordable way to reduce internal valve train friction and valve stem wear. Extra long slot eliminates rocker to stud interference when using high light cams. 16 rockers, 16 anti-gall grooved balls, and 16 nuts per package.

66922 1.6 Ratio Stamped Steel Roller Tip

PROFORM CAST CHROME MOLY ROLLER-TIP ROCKER ARMS

Part Number

Description

Picture

66933C

SBC Cast Chrome Moley Roller-Tip, 1.5 Ratio 3/8”

1.5 Ratio roller-tip for 3/8” rocker stud. These rocker arms are cast of tough chrome moly alloy. Perfect for the average street engine. More rigid and durable than the stock, stamped variety. Roller tip reduces friction.
Comes in Clamshell (“C”) package only.

66925C

SBC Cast Chrome Moley Roller-Tip, 1.6 Ratio 3/8”

1.6 Ratio roller-tip for 3/8” rocker studs. These rocker arms are cast of tough chrome moly alloy. Perfect for the average street engine. More rigid and durable than the stock, stamped variety. Roller tip reduces friction.
Comes in Clamshell (“C”) package only.

66926C

SBC Cast Chrome Moley Roller-Tip, 1.5 Ratio 3/8”, S/A

1.5 Ratio Self Aligning roller-tip for 3/8” rocker studs. These rocker arms are cast of tough chrome moly alloy. Perfect for the average street engine. More rigid and durable than the stock, stamped variety. Roller tip reduces friction.
Comes in Clamshell (“C”) package only.

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No Picture
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66927C

SBC Cast Chrome Moley Roller-Tip, 1.6 Ratio 3/8”, S/A

1.6 Ratio Self Aligning roller-tip for 3/8” rocker studs. These rocker arms are cast of tough chrome moly alloy. Perfect for the average street engine. More rigid and durable than the stock, stamped variety. Roller tip reduces friction.
Comes in Clamshell (“C”) package only.

Sorry
No Picture
Available.

PROFORM EXTRUDED ALUMINUM ROLLER-TIP ROCKER ARMS

Part Number

Description

Picture

66907

SBC Extruded Aluminum, Roller-Tip, 1.5 Ratio 3/8”

1.5 ratio extruded aluminum, roller-tip, rocker arms for small-block Chevrolet heads with 3/8” rocker studs. Full needle bearing, fulcrum and roller tip to eliminate friction, which in turn equals more horsepower and longer valve train component life. Each set includes 16 extruded aluminum roller rockers and 16 poly locks.

66907 1.5 Ratio Extruded Aluminum, Roller Tip

66908

SBC Extruded Aluminum, Roller-Tip, 1.6 Ratio 3/8”

1.6 ratio extruded aluminum, roller-tip, rocker arms for small-block Chevrolet heads with 3/8” rocker studs. Full needle bearing, fulcrum and roller tip to eliminate friction, which in turn equals more horsepower and longer valve train component life. Each set includes 16 extruded aluminum roller rockers and 16 poly locks.

66909

SBC Extruded Aluminum, Roller-Tip, 1.5 Ratio 7/16”

1.5 ratio extruded aluminum, roller-tip, rocker arms for small-block Chevrolet heads with 7/16” rocker studs. Full needle bearing, fulcrum and roller tip to eliminate friction, which in turn equals more horsepower and longer valve train component life. Each set includes 16 extruded aluminum roller rockers and 16 poly locks.

66910

SBC Extruded Aluminum, Roller-Tip, 1.6 Ratio 7/16”

1.6 ratio extruded aluminum, roller-tip, rocker arms for small-block Chevrolet heads with 7/16” rocker studs. Full needle bearing, fulcrum and roller tip to eliminate friction, which in turn equals more horsepower and longer valve train component life. Each set includes 16 extruded aluminum roller rockers and 16 poly locks.

66920C

SBC Extruded Aluminum, Roller-Tip, 1.5 & 1.6 Ratio 3/8”

Set of eight 1.6 ratio extruded aluminum, roller-tip for 3/8” rocker studs and eight 1.6 Ratio extruded aluminum, roller-tip for 3/8” rocker studs. Full needle bearing, fulcrum and roller tip to eliminate friction, which in turn equals more horsepower and longer valve train component life. Each set includes 16 extruded aluminum roller rockers and 16 poly locks.
Comes in Clamshell (“C”) package only.

Proform 66914 Small-Block Chevrolet Self Aligning Roller Rocker Arms
Proform Extruded Alluminum Roller-Rocker Arms P/N 66914

More Pictures Here

66914

SBC Extruded Aluminum, Roller-Tip, 1.5 Ratio 3/8”, S/A

1.5 ratio Self Aligning extruded aluminum, roller-tip, rocker arms for small-block Chevrolet heads with 3/8” rocker studs. Full needle bearing, fulcrum and roller tip to eliminate friction, which in turn equals more horsepower and longer valve train component life. Each set includes 16 extruded aluminum roller rockers and 16 poly locks.

Designed to work with center hold down valve covers.

66914C Clamshell Packaged 1.5 Ratio Extruded Aluminum, Roller Tip

66915

SBC Extruded Aluminum, Roller-Tip, 1.6 Ratio 3/8”, S/A

1.6 ratio Self Aligning extruded aluminum, roller-tip, rocker arms for small-block Chevrolet heads with 3/8” rocker studs. Full needle bearing, fulcrum and roller tip to eliminate friction, which in turn equals more horsepower and longer valve train component life. Each set includes 16 extruded aluminum roller rockers and 16 poly locks.

Designed to work with center hold down valve covers.

66915 1.6 Ratio Extruded Aluminum, Roller Tip

66913

BBC Extruded Aluminum, Roller-Tip, 1.7 Ratio 7/16”

1.7 ratio extruded aluminum, roller-tip, rocker arms for big-block Chevrolet heads with 7/16” rocker studs. Full needle bearing, fulcrum and roller tip to eliminate friction, which in turn equals more horsepower and longer valve train component life. Each set includes 16 extruded aluminum roller rockers and 16 poly locks.

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No Picture
Available.

66911

SB Ford Extruded Aluminum, Roller-Tip, 1.6 Ratio 3/8”

1.6 ratio extruded aluminum, roller-tip, rocker arms for small-block Ford heads with 3/8” rocker studs. Full needle bearing, fulcrum and roller tip to eliminate friction, which in turn equals more horsepower and longer valve train component life. Each set includes 16 extruded aluminum roller rockers and 16 poly locks.

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No Picture
Available.

66912

SB Ford Extruded Aluminum, Roller-Tip, 1.6 Ratio 7/16”

1.6 ratio extruded aluminum, roller-tip, rocker arms for small-block Ford heads with 7/16” rocker studs. Full needle bearing, fulcrum and roller tip to eliminate friction, which in turn equals more horsepower and longer valve train component life. Each set includes 16 extruded aluminum roller rockers and 16 poly locks.

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No Picture
Available.

66879

SB Ford Extruded Aluminum, Roller-Tip, 1.6 Ratio 5/16”

Fits Ford Aluminum SB Pedestal Mt. 1.6 Ratio 5/16” stud. 1977-1994, 302HO & 351W Hyd. & Roller Cams. 1.6 ratio extruded aluminum, roller-tip, rocker arms for small-block Ford heads with 3/8” rocker studs. Full needle bearing, fulcrum and roller tip to eliminate friction, which in turn equals more horsepower and longer valve train component life. Each set includes 16 extruded aluminum roller rockers and 16 poly locks.

66879 1.6 Ratio Extruded Aluminum, Roller Tip

66878

SB Ford Extruded Aluminum, Roller-Tip, 1.7 Ratio 5/16”

Fits Ford Aluminum SB Pedestal Mt. 1.7 Ratio 5/16” stud. 1977-1994, 302HO & 351W Hyd. & Roller Cams. 1.7 ratio extruded aluminum, roller-tip, rocker arms for small-block Ford heads with 7/16” rocker studs. Full needle bearing, fulcrum and roller tip to eliminate friction, which in turn equals more horsepower and longer valve train component life. Each set includes 16 extruded aluminum roller rockers and 16 poly locks.

66861

Ford Extruded Aluminum, Roller-Tip, 1.73 Ratio 7/16”

Fits Ford Aluminum 1.73 Ratio 7/16” stud 302 Boss, 351C, and 429-460. 1.7 ratio extruded aluminum, roller-tip, rocker arms for small-block Ford heads with 7/16” rocker studs. Full needle bearing, fulcrum and roller tip to eliminate friction, which in turn equals more horsepower and longer valve train component life. Each set includes 16 extruded aluminum roller rockers and 16 poly locks.

66860

Oldsmobile Extruded Aluminum, Roller-Tip, 1.6 Ratio

Fits Oldsmobile 1.6 Ratio 350-455. 1.7 ratio extruded aluminum, roller-tip, rocker arms for small-block Ford heads with 7/16” rocker studs. Full needle bearing, fulcrum and roller tip to eliminate friction, which in turn equals more horsepower and longer valve train component life. Each set includes 16 extruded aluminum roller rockers and 16 poly locks.

66869

Chrysler Extruded Aluminum, Roller-Tip, 1.5 Ratio, SB

Fits Chrysler 1.5 Ratio for small-blocks. 1.5 ratio extruded aluminum, roller-tip, rocker arms for small-block. Supplied with hardened shaft and hardware. Full needle bearing, fulcrum and roller tip to eliminate friction, which in turn equals more horsepower and longer valve train component life.

66869 1.5 Ratio Extruded Aluminum, Roller Tip

66868

Chrysler Extruded Aluminum, Roller-Tip, 1.5 Ratio, BB

Fits Chrysler 1.5 ratio for big-blocks. 1.5 ratio extruded aluminum, roller-tip, rocker arms for big-block. Supplied with hardened shaft and hardware. Full needle bearing, fulcrum and roller tip to eliminate friction, which in turn equals more horsepower and longer valve train component life.

PROFORM EXTRUDED ALUMINUM ROLLER-TIP ROCKER ARMS

Part Number

Description

Picture

66928

SBC HD Extr. Alum., Roller-Tip, 1.5 Ratio 3/8”

Heavy Duty Extruded Aluminum Roller-Rocker Arms, Center Hold-Down, 1.5 ratio, 3/8” Stud. Fits Chevy™ small block engines. Full needle bearing, fulcrum and roller tip to eliminate friction, which in turn equals more horsepower and longer valve train component life. Each set includes 16 extruded aluminum roller rockers and 16 poly locks.

More Pictures Here

66928 1.5 Ratio Heavy Duty Extruded Aluminum, Roller Tip

Proform Heavy Duty Roller Roller Rocker Arms
Proform HD Roller Rocker Arms

66929

SBC HD Extr. Alum., Roller-Tip, 1.6 Ratio 3/8”

Heavy Duty Extruded Aluminum Roller-Rocker Arms, Center Hold-Down, 1.6 ratio, 3/8” Stud. Fits Chevy™ small block engines. Full needle bearing, fulcrum and roller tip to eliminate friction, which in turn equals more horsepower and longer valve train component life. Each set includes 16 extruded aluminum roller rockers and 16 poly locks.

66929 1.5 Ratio HD Extruded Aluminum, Roller Tip

66930

SBC Heavy-Duty Extr. Alum., Roller-Tip, 1.5 Ratio 7/16”

Heavy Duty Extruded Aluminum Roller-Rocker Arms, Center Hold-Down, 1.5 ratio, 7/16” Stud. Fits Chevy™ small block engines. Full needle bearing, fulcrum and roller tip to eliminate friction, which in turn equals more horsepower and longer valve train component life. Each set includes 16 extruded aluminum roller rockers and 16 poly locks.

66930 1.5 Ratio HD Extruded Aluminum, Roller Tip

SBC HD Extr. Alum., Roller-Tip, 1.6 Ratio 7/16”

Heavy Duty Extruded Aluminum Roller-Rocker Arms, Center Hold-Down, 1.6 ratio, 7/16” Stud. Fits Chevy™ small block engines. Full needle bearing, fulcrum and roller tip to eliminate friction, which in turn equals more horsepower and longer valve train component life. Each set includes 16 extruded aluminum roller rockers and 16 poly locks.

66931 1.5 Ratio HD Extruded Aluminum, Roller Tip