1966 Proform Parts Engines & Components

Rocker Arm, Super-Street, Stud Mount, Full Roller, Aluminum, 1.7 Ratio, Fits 7/16in. Stud, Chevy, Big Block, Each

Part Number: PRO-66913P

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

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Harmonic Balancer Cover, Aluminum, Black, 6 3/4 in. Diameter, Degree Markings, Chevy, Small Block, Each

Part Number: PRO-141-727

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

Rocker Arms, Shaft Mount, 1.7 Ratio, Aluminum, Roller Rockers, Shafts, Spacers, Mopar, Big Block B/RB, Set of 16

Part Number: PRO-440-873

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow if ordered today

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Pushrods, Chromoly, Heat-Treated, 3/8 in. Diameter, 8.350 in. Length, Universal, Set of 16

Part Number: PRO-66427C

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Estimated Ship Date: Dec 1, 2025 if ordered today

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Rocker Arm, 3/8 in. Stud Mount, Stamped Steel, Roller Tip, 1.5 Ratio, Chevy, Small Block, Each

Part Number: PRO-66906P

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow if ordered today

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Rocker Arm, Super-Street, Stud Mount, Full Roller, Aluminum, 1.6 Ratio, Fits 3/8 in. Stud, Chevy, Small Block, Each

Part Number: PRO-66908P

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow if ordered today

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Rocker Arms, Super-Street, 7/16 in. Stud Mount, Full Roller, Aluminum, 1.6 Ratio, Oldsmobile, V8, Set of 16

Part Number: PRO-66860C

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Estimated Ship Date: Today

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Harmonic Balancer Cover, Aluminum, Chrome, 6 3/4 in. Diameter, Degree Markings, Chevy, Small Block, Each

Part Number: PRO-66517CC

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

Guideplates, Raised, Hardened, 5/16 in. Pushrod Size, Chevy, Small Block, Set of 8

Part Number: PRO-66881

Not Yet Reviewed

Estimated Ship Date: Dec 1, 2025 if ordered today

• Drop Ship
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Rocker Arm Shafts, Machined, Steel, Chrysler, Big Block, Each

Part Number: PRO-66866

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Estimated Ship Date: Dec 1, 2025 if ordered today

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Rocker Arm, Super-Street, 7/16 in. Stud Mount, Full Roller, Aluminum, 1.6 Ratio, Chevy, Small Block, Each

Part Number: PRO-66910P

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Estimated Ship Date: Tomorrow if ordered today

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Rocker Arm, Super-Street, Stud Mount, Full Roller, Aluminum, 1.5 Ratio, Fits 7/16 in. Stud, Chevy, Small Block, Each

Part Number: PRO-66909P

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Estimated Ship Date: Tomorrow if ordered today

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Valve Covers, GM Licensed Slant Edge Valve Covers, Tall, Perimeter Bolt Mounting, Aluminum, Black Powdercoat, Chevrolet Logo, Chevy, Big Block, Pair

Part Number: PRO-141-867

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Estimated Ship Date: Today

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Harmonic Balancer, Internal Balance, Nodular Iron, Natural, 6.75 in. Dia., Avanti, GM, Chevy, Small Block Each

Part Number: PRO-66509

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 1, 2025 if ordered today

• Drop Ship
• Special Order

Rocker Arm, Stud Mount, Roller Tip, Steel, 1.6 Ratio, Fits 3/8 in. Stud, Chevy, Small Block, Each

Part Number: PRO-66922P

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Estimated Ship Date: Tomorrow if ordered today

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