CHEVROLET IMPALA Proform Parts Parts and Accessories

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 3/2/2026 if shipped by air

HEI Distributor Upgrade Kit, Coil, Cap, Rotor, Module, GM, Kit

Part Number: PRO-66945BKC

4.11 out of 5 stars ( 9 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

Alternator, Black Wrinkle Powdercoated, V-Belt, 50 Amp, Nippondenso, 1-Wire, Each

Part Number: PRO-66432

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Fuel Pump Block-Off Plate, Steel, Chrome Plated, Chevy, Ford, Mopar, Gasket Included, Each

Part Number: PRO-66107

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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

Part Number: PRO-66906B

3.5 out of 5 stars ( 6 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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

Part Number: PRO-66162

3.3 out of 5 stars ( 10 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

Rocker Arm Stud Girdle, Aluminum, 7/16 in.-20 Thread, Chevy, Small Block, Kit

Part Number: PRO-66951

3.2 out of 5 stars ( 5 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

• Free Shipping

Water Pump, Electric, 35 gpm, Aluminum, Blue, Chevy, Big Block, Includes Hose Adapter, Each

Part Number: PRO-68230B

2.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Starter, High Torque, Staggered Bolt Pattern, Chevrolet, Big/Small Block, Each

Part Number: PRO-66267

2.33 out of 5 stars ( 3 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

• Free Shipping

Dipstick with Tube, Engine, Steel, Chrome, Chevy, Big Block Mark IV, Each

Part Number: PRO-66117

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

HEI Distributor Upgrade Kit, 50,000 V Coil, Red Cap, Red Rotor, GM, Kit

Part Number: PRO-66942RC

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

Alternators and Generators, Slant Edge Alternator, GM 10SI Case, Liquid Black Finish, 12V, 100 amp, 1-wire Hook-up, V-Belt, GM, Small/Big Block, Each

Part Number: PRO-141-147

Not Yet Reviewed

Estimated Ship Date: Monday 3/2/2026 if shipped by air

• Free Shipping

Alternator, Chrome, Red Chevy Bowtie Emblem, Internal Regulator, V-Belt Pulley, 70 Amp, GM, Each

Part Number: PRO-141-656

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

• Free Shipping

Alternator, 1-Wire Only, Internal Regulator, 100 Amp, Chrome, Chevy, GMC, Each

Part Number: PRO-66445-1N

4.35 out of 5 stars ( 23 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

• Free Shipping

Rocker Arm Stud Girdle, Aluminum, 3/8 in.-24 Thread, Chevy, Small Block, Kit

Part Number: PRO-66950

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

• Free Shipping

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 3/2/2026 if shipped by air

Valve Covers, Steel, Shark Gray, Chevrolet Bowtie Logo, Chevy, Small Block, Pair

Part Number: PRO-141-881

Not Yet Reviewed

Estimated Ship Date: Monday 3/2/2026 if shipped by air

Ignition Coil, HEI, In-Cap, E-Core, Square, Epoxy, Black, 50,000 V, GM, Each

Part Number: PRO-66943C

2.33 out of 5 stars ( 3 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

Freeze Plugs, Brass, Chevy 283-350, Small Block, Kit

Part Number: PRO-66550

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

Alternators and Generators, Slant Edge Alternator, GM 10SI Case, Chrome Finish, 12V, 100 amp, 1-wire Hook-up, V-Belt, GM, Small/Big Block, Each

Part Number: PRO-141-155

Not Yet Reviewed

Estimated Ship Date: Mar 19, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Starter, Fullsize, Inline, High-Torque, Chrome, 153/168-tooth, Chevy, Each

Part Number: PRO-66259

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

• Free Shipping

Vacuum Advance, Adjustable, GM HEI-Style Distributor, V8, Each

Part Number: PRO-66952C

4.44 out of 5 stars ( 18 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

Engine Oil Dipsticks, Stainless Steel, Natural, Tube, Avanti, Buick, Checker, Chevrolet, Excalibur, GMC, Olds, Pontiac, Studebaker, Small Block, Each

Part Number: PRO-66134

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

Exhaust Gaskets, Header, Aluminum, Square Port, Chevy, Small Block, Pair

Part Number: PRO-67921

4.36 out of 5 stars ( 11 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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 3/2/2026 if shipped by air