Chevrolet Blazer Rocker Arm

PROFORM EXTRUDED ALUMINUM ROLLER-ROCKER ARMS -- 1.5 Ratio, 3/8 in. Stud, Eliminates Internal Friction, Features Full Needle Bearing, Fulcrum And Roller Tip For Increased Horsepower, Lengthened Valve Train Component Life, And Reduced Wear And Tear On Valve...

PROFORM EXTRUDED ALUMINUM ROLLER-ROCKER ARMS -- 1.6 Ratio, 3/8 in. Stud, Eliminates Internal Friction, Features Full Needle Bearing, Fulcrum And Roller Tip For Increased Horsepower, Lengthened Valve Train Component Life, And Reduced Wear And Tear On Valve...

PROFORM STAMPED STOCK LONG-SLOT ROCKER ARMS -- 1.5 Ratio, 3/8" Stud, For Use When Roller Tip Is Not Required, Proven OEM Quality, Features An Extra Long Slot That Eliminates Rocker To Stud Interference When Using High Lift Cams, Includes 16 Rockers, Groov...

PROFORM EXTRUDED ALUMINUM ROLLER-ROCKER ARMS -- 1.5 Ratio, 3/8 in. Stud, Eliminates Internal Friction, Features Full Needle Bearing, Fulcrum And Roller Tip For Increased Horsepower, Lengthened Valve Train Component Life, And Reduced Wear And Tear On Valve...

PROFORM HEAVY-DUTY EXTRUDED ALUMINUM ROLLER-ROCKER ARMS -- 1.6 Ratio, 7/16 in. Stud, Designed For Up To 10,000 Rpm, Features An Oversized Body And Fulcrum With A Triangulated Profile For Additional Rigidity And Strength, Accommodates Most Oversized Valve ...

PROFORM EXTRUDED ALUMINUM ROLLER-ROCKER ARMS -- 1.6 Ratio, 3/8 in. Stud, Eliminates Internal Friction, Features Full Needle Bearing, Fulcrum And Roller Tip For Increased Horsepower, Lengthened Valve Train Component Life, And Reduced Wear And Tear On Valve...

PROFORM EXTRUDED ALUMINUM ROLLER-ROCKER ARMS -- 1.5 Ratio, 3/8 in. Stud, Eliminates Internal Friction, Features Full Needle Bearing, Fulcrum And Roller Tip For Increased Horsepower, Lengthened Valve Train Component Life, And Reduced Wear And Tear On Valve...

PROFORM HEAVY-DUTY EXTRUDED ALUMINUM ROLLER-ROCKER ARMS -- 1.5 Ratio, 3/8 in. Stud, Designed For Up To 10,000 Rpm, Features An Oversized Body And Fulcrum With A Triangulated Profile For Additional Rigidity And Strength, Accommodates Most Oversized Valve S...

PROFORM HEAVY-DUTY EXTRUDED ALUMINUM ROLLER-ROCKER ARMS -- 1.5 Ratio, 7/16 in. Stud, Designed For Up To 10,000 Rpm, Features An Oversized Body And Fulcrum With A Triangulated Profile For Additional Rigidity And Strength, Accommodates Most Oversized Valve ...

PROFORM EXTRUDED ALUMINUM ROLLER-ROCKER ARMS -- 1.5 Ratio, 7/16 in. Stud, Eliminates Internal Friction, Features Full Needle Bearing, Fulcrum And Roller Tip For Increased Horsepower, Lengthened Valve Train Component Life, And Reduced Wear And Tear On Valv...

PROFORM STAMPED ROLLER-TIP ROCKER ARM -- 1.6 Ratio, 3/8 in. Stud, A Heavy-Duty And Professional Tool For Engine Builders At An Affordable Price, Reduces Internal Valve Train Friction And Valve Stem Wear, Features An Extra-Long Slot To Eliminate Rocker To ...

PROFORM CAST CHROME MOLY ROLLER-ROCKER ARM, SELF ALIGNING -- 1.5 Ratio, 3/8" Stud, Perfect For The Average Street Engine, More Rigid And Durable Than The Stock Stamped Variety, Features A Roller Tip That Reduces Friction, With Manufacturer's Limited 30-Da...

PROFORM CAST CHROME MOLY ROLLER-ROCKER ARM -- 1.5 Ratio, 3/8 in. Stud, Perfect For The Average Street Engine, More Rigid And Durable Than The Stock Stamped Variety, Features A Roller Tip That Reduces Friction, With Manufacturer's Limited 30-Day Warranty...

PROFORM STAMPED ROLLER-TIP ROCKER ARM -- 1.6 Ratio, 3/8 in. Stud, A Heavy-Duty And Professional Tool For Engine Builders At An Affordable Price, Reduces Internal Valve Train Friction And Valve Stem Wear, Features An Extra-Long Slot To Eliminate Rocker To ...

PROFORM HEAVY-DUTY EXTRUDED ALUMINUM ROLLER-ROCKER ARMS -- 1.6 Ratio, 3/8 in. Stud, Designed For Up To 10,000 Rpm, Features An Oversized Body And Fulcrum With A Triangulated Profile For Additional Rigidity And Strength, Accommodates Most Oversized Valve S...