GMC Proform Parts Engines & Components

Pushrods, Chromoly, Heat-Treated, 5/16 in. Diameter, Stock Length, Chevy, Small Block, Set of 16

Part Number: PRO-66891C

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/26/2026

Pushrods, Steel, Heat-Treated, 5/16 in. Diameter, Stock Length, Chevy, Small Block, Set of 16

Part Number: PRO-66890C

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/26/2026

Oil Pan, Steel, Chrome Plated, Chevy, Small Block, Driver Side Dipstick, Each

Part Number: PRO-66162

3.44 out of 5 stars ( 9 )

Estimated Ship Date: Monday 1/26/2026

Pushrods, Steel, Heat-Treated, 5/16 in. Diameter, Stock Length +.100 in., Chevy, Small Block, Set of 16

Part Number: PRO-66889C

2.33 out of 5 stars ( 6 )

Estimated Ship Date: Monday 1/26/2026

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

Part Number: PRO-66510

5.0 out of 5 stars ( 13 )

Estimated Ship Date: Monday 1/26/2026

Pushrods, Chromoly, Heat-Treated, Ball Ends, 5/16 in. Diameter, 7.400 in. Length, Chevy, Small Block LS, Set of 16

Part Number: PRO-66882C

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/26/2026

Rocker Arms, 3/8 in. Stud Mount, Stamped Steel, 1.5 Ratio, Chevy, Small Block, Set of 16

Part Number: PRO-66905

Not Yet Reviewed

Estimated Ship Date: Monday 1/26/2026

Pushrods, Chromoly, 5/16 in. Diameter, Stock Length +.100 in., Chevy, Small Block, Set of 16

Part Number: PRO-66892C

1.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 1/26/2026

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

Part Number: PRO-66409C

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/26/2026

Harmonic Balancer, Internal Balance, Nodular Iron, Natural, 8.0 in. Dia., Avanti, GM, Chevy, Small Block, Each

Part Number: PRO-66511

3.33 out of 5 stars ( 3 )

Estimated Ship Date: Monday 1/26/2026

Harmonic Balancer, Internal Balance, Nodular Iron, Natural, Chevy, 396, Each

Part Number: PRO-66508

Not Yet Reviewed

Estimated Ship Date: Monday 1/26/2026

Harmonic Balancer, OEM, External Balance, Nodular Iron, Natural, Chevy, Small Block, 400, Each

Part Number: PRO-66513

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Feb 12, 2026 if ordered today

• Drop Ship
• Special Order

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: Feb 12, 2026 if ordered today

• Drop Ship
• Special Order