Product#: 1253527

1968-81 GM; Wiring Harness J-Strap Retainer Clip; 2-7/8" Long

Reproduction wiring harness retainer clip mounted on the firewall of a wide variety of GM vehicles from the 1960's through the 1970's. This metal clip is sometimes welded, instead of bolted, to the firewall to hold the main...

Product#: 22305

Chevrolet Small Block; 3-Groove Aluminum Crankshaft Pulley; 6-9/16" Diameter

Product#: A9723113

Serpentine Front Drive System, LS1/2/3/6 Engs with A/C & P/S With Tuff Stuff Water Pump - Machined

All American Billet Serpentine Kits are a great way to clean up any engine compartment. You have a choice of Machined Finished, Polished, or Black Silverline - Black Anodized with machined highlights for an aggressive modern...

Product#: 66518BKC

Black Small Block 8" Proform Harmonic Balancer Cover

Add a high performance look to your harmonic balancer by adding this aftermarket cover.

Product#: HD100023

400 Harmonic Pro/Sport High Carbon Steel 6.61" x 1.52" External Balance Harmonic Balancer

Pro/Sport harmonic dampers protect against harmful engine vibrations that can lead to valvetrain damage, rapid bearing and timing chain wear or ultimately crankshaft breakage. Machined to exacting tolerances and assembled...

Product#: HD100011

400ci Pro/Race All Steel 6.61" x 1.54" External Balance Race Harmonic Balancer

Pro/Race harmonic dampers are designed for a wide range of high performance applications. This "all steel" damper is direct replacements for factory cast iron versions which may fracture or disintegrate at high RPM and are...

Product#: HD100016

283-350 Pro/Sport High Carbon Steel 6.10" x 1.52" Internal Balance Harmonic Balancer

Pro/Sport harmonic dampers protect against harmful engine vibrations that can lead to valvetrain damage, rapid bearing and timing chain wear or ultimately crankshaft breakage. Machined to exacting tolerances and assembled...

Product#: HD100014

283-350 with Supercharger Pro/Race All Steel 6.61" x 1.54" Internal Balance Race Harmonic Balancer

Pro/Race harmonic dampers are designed for a wide range of high performance applications. This "all steel" damper is direct replacements for factory cast iron versions which may fracture or disintegrate at high RPM and are...

Product#: HD100012

396-427 Pro/Race All Steel 7.01" x 1.73" Internal Balance Race Harmonic Balancer

Pro/Race harmonic dampers are designed for a wide range of high performance applications. This "all steel" damper is direct replacements for factory cast iron versions which may fracture or disintegrate at high RPM and are...

Product#: HD100024

LS1 Harmonic Balancer 25% Under Drive Sport/Damper Only/11.07/6.14/2.53/3.88

The Pro/Sport under drive dampers are smaller in diameter than factory to slow the speed of belt-driven accessories. Since performance engines are generally used at higher RPM, the belt speed can be reduced to save horsepower...

Product#: 141725-BCHW

Chevy Bowtie Emblem 6-3/4" Chrome Harmonic Balancer Cover. Chevy S/B.

These patented harmonic balancer covers offer improved readability, more stable Top Dead Center indication and timing accuracy, enhanced appearance for a previously ignored underhood area, and the elimination of timing tapes...

Product#: 141727-BCHW

Chevy Bowtie Emblem 6-3/4" Black Harmonic Balancer Cover. Chevy S/B.

These patented harmonic balancer covers offer improved readability, more stable Top Dead Center indication and timing accuracy, enhanced appearance for a previously ignored underhood area, and the elimination of timing tapes...

Product#: 141726-BCHW

Chevy Bowtie Emblem 8" Chrome Harmonic Balancer Cover. Chevy S/B.

These patented harmonic balancer covers offer improved readability, more stable Top Dead Center indication and timing accuracy, enhanced appearance for a previously ignored underhood area, and the elimination of timing tapes...

Product#: MP212601

Chevrolet Big Block Clear Powder Coat March Revolver Alt, AC and PS (Remote Style) Serpentine Set

This serpentine conversion set offers the same combination of style and low price as the popular Style Track alternator, AC and power steering kit but with cool Revolver styling. The highly styled one piece bracket provides...

Product#: 22072MP

March Performance Chevy Small Block Long Water Pump Ultra Serpentine Pulley and Bracket Kit; Clear Powder Coat; For Keyway PS Pump and 7176 AC Compresor

Simple yet exceptionally styled, this new March Performance "Mid Mount" alternator, power steering and A/C serpentine set from March Performance offers an exciting new look. CNC machined from solid billet 6061-T6 aluminum for...

Product#: 3744043

1957-1972 Chevy; Double Groove Crankshaft Pulley; Small Block; Short Water Pump; ; 6-3/4"OD

OER reproduction crankshaft pulley for various GM 1957-72 small block motors with short water pump. This crankshaft pulley is a double-groove pulley that measures 6-3/4" diameter. Stamped with GM# 3744043. Chevy Small block...

Product#: Z8183

Serpentine Belt Idler Pulley/Bracket With LH Alternator Mount

Idler pulleys are used when excessive free belt length causes belt-flapping or when more belt contact is desired on the pulley. Note: For use with Z8181 (sold separately).

Product#: MP202601

Chevrolet S/B Clear Powder Coated March Ultra Drive Front Mount Alt, AC and PS Serpentine Set

This system has been designed for mounting accessories below the valve covers and in between the width of the heads. Precision CNC machined from 6061-T6 aluminum for strength and perfect fit. Hardcoated on high wear areas....

Product#: HD100019

283-350 Pro/Sport High Carbon Steel 6.61" x 1.52" Internal Balance Harmonic Balancer

Pro/Sport harmonic dampers protect against harmful engine vibrations that can lead to valvetrain damage, rapid bearing and timing chain wear or ultimately crankshaft breakage. Machined to exacting tolerances and assembled...

Product#: Z81501

Serpentine Belt Idler Pulley/Bracket With LH Alternator Mount

Idler pulleys are used when excessive free belt length causes belt-flapping or when more belt contact is desired on the pulley. Note: For use with Z8104 (sold separately).

Product#: HD100010

283-350 Pro/Race All Steel 6.61" x 1.54" Internal Balance Race Harmonic Balancer

Pro/Race harmonic dampers are designed for a wide range of high performance applications. This "all steel" damper is direct replacements for factory cast iron versions which may fracture or disintegrate at high RPM and are...

Product#: HD100022

283-350 Pro/Sport High Carbon Steel 6.61" x 1.52" Internal Balance Harmonic Balancer

Pro/Sport harmonic dampers protect against harmful engine vibrations that can lead to valvetrain damage, rapid bearing and timing chain wear or ultimately crankshaft breakage. Machined to exacting tolerances and assembled...

Product#: HD100001

283-350 Pro Street Bonded Nodular Iron 6.10" x.760 Internal Balance Street Harmonic Balancer

This Pro/Street bonded nodular iron damper features special splines to enhance bonding between the elastomer, inner hub and outer ring preventing any radial movement. PRO/STREET Harmonic Dampers feature: Nodular Iron Constru...

Product#: HD100006

400ci Pro/Street Bonded Nodular Iron 8.00" x 1.47" External Balance Street Harmonic Balancer

This Pro/Street bonded nodular iron damper has special splines to enhance bonding between the elastomer, inner hub, and outer ring preventing any radial movement. PRO/STREET Harmonic Dampers feature: Nodular Iron Constructio...

Product#: HD100002

283-350 Pro/Street Bonded Nodular Iron 6.75" x 1.32" Internal Balance Street Harmonic Balancer

This Pro/Street bonded nodular iron damper has special splines to enhance bonding between the elastomer, inner hub and outer ring preventing any radial movement. PRO/STREET Harmonic Dampers feature: Nodular Iron Construction...

Product#: HD100005

283-350 Pro/Street Bonded Nodular Iron 8.00" x 1.47" Internal Balance Street Harmonic Balancer

This Pro/Street bonded nodular iron damper has special splines to enhance bonding between the elastomer, inner hub, and outer ring preventing any radial movement. PRO/STREET Harmonic Dampers feature: Nodular Iron Constructio...

Product#: HD100018

LS1/LS2/LS3/LS6 Harmonic Balancer Sport/Internal/12.7/7.52/2.47/2.86

Pro/Sport harmonic dampers protect against harmful engine vibrations that can lead to valvetrain damage, rapid bearing and timing chain wear or ultimately crankshaft breakage. Machined to exacting tolerances and assembled...

Product#: HD100003

396-427 Pro/Street Bonded Nodular Iron 8.00" x 1.93" Internal Balance Harmonic Balancer

This Pro/Street bonded nodular iron damper features special splines to enhance bonding between the elastomer, inner hub and outer ring preventing any radial movement. PRO/STREET Harmonic Dampers feature: Nodular Iron Constru...

Product#: HD10030

Small Block Pro/Sport Counterweight

Pro Race Performance externally balanced harmonic balancers feature weights bolted in place which may be removed for neutral or internally balanced application. Internally balanced balancers can be used on an external...

Product#: HD10028

Small Block Pro/Street Counterweight

Pro Race Performance externally balanced harmonic balancers feature weights bolted in place which may be removed for neutral or internally balanced application. Internally balanced balancers can be used on an external...

Product#: HD10029

Small Block Pro/Race Counterweight

Pro Race Performance externally balanced harmonic balancers feature weights bolted in place which may be removed for neutral or internally balanced application. Internally balanced balancers can be used on an external...

Product#: HD100017

LS1 Harmonic Balancer Sport/Internal/12.4/7.52/2.31/3.70

Pro/Sport harmonic dampers protect against harmful engine vibrations that can lead to valvetrain damage, rapid bearing and timing chain wear or ultimately crankshaft breakage. Machined to exacting tolerances and assembled...

Product#: HD100004

454 Pro/Street Bonded Nodular Iron 8.00" x 1.93" External Balance Harmonic Balancer

This Pro/Street bonded nodular iron damper features special splines to enhance bonding between the elastomer, inner hub and outer ring preventing any radial movement. PRO/STREET Harmonic Dampers feature: Nodular Iron Constru...

Product#: HD100013

454 Pro/Race All Steel 7.01" x 1.73" External Balance Race Harmonic Balancer

Pro/Race harmonic dampers are designed for a wide range of high performance applications. This "all steel" damper is direct replacements for factory cast iron versions which may fracture or disintegrate at high RPM and are...

Product#: HD100020

396-427 Pro/Sport High Carbon Steel 7.01" x 1.73" Internal Balance Harmonic Balancer

Pro/Sport harmonic dampers protect against harmful engine vibrations that can lead to valvetrain damage, rapid bearing and timing chain wear or ultimately crankshaft breakage. Machined to exacting tolerances and assembled...

Product#: HD100015

396-427 with Supercharger Pro/Race All Steel 7.01" x 1.73" Internal Balance Race Harmonic Balancer

Pro/Race harmonic dampers are designed for a wide range of high performance applications. This "all steel" damper is direct replacements for factory cast iron versions which may fracture or disintegrate at high RPM and are...

Product#: HD100021

454 Pro/Sport High Carbon Steel 7.01" x 1.73" Internal Balance Harmonic Balancer

Pro/Sport harmonic dampers protect against harmful engine vibrations that can lead to valvetrain damage, rapid bearing and timing chain wear or ultimately crankshaft breakage. Machined to exacting tolerances and assembled...

Product#: HD100025

LS1/LS2/LS3/LS6 Harmonic Balancer 25% Under Drive Sport/Damper Only/11.76/6.75/2.83/3.03

The Pro/Sport under drive dampers are smaller in diameter than factory to slow the speed of belt-driven accessories. Since performance engines are generally used at higher RPM, the belt speed can be reduced to save horsepower...

Product#: Z8151

1965-Up Chevrolet Big Block Short Water Pump With Alternator / AC Serpentine Idler Pulley Set

Idler pulleys are used when excessive free belt length causes belt-flapping or when more belt contact is desired on the pulley. Note: For use with Z8138 bracket set (sold separately).

Product#: MP211601

Chevrolet Small Block Clear Powder Coat March Revolver Alt, AC and Remote PS Serpentine Set

This serpentine conversion set offers the same combination of style and low price as the popular Style Track alternator, AC and power steering kit but with cool Revolver styling. The highly styled one piece bracket provides...

Product#: Z6005FP

Chevrolet Small Block With Long Water Pump Single Groove Polished V-Belt Crankshaft Pulley

CNC machined from forged billet aluminum with a smooth polished finish.

Product#: HD10031

Big Block Pro/Street Counterweight

Pro Race Performance externally balanced harmonic balancers feature weights bolted in place which may be removed for neutral or internally balanced application. Internally balanced balancers can be used on an external...

Product#: HD10033

Big Block Pro/Sport Counterweight

Pro Race Performance externally balanced harmonic balancers feature weights bolted in place which may be removed for neutral or internally balanced application. Internally balanced balancers can be used on an external...

Product#: G9363

2003-06 C/K Truck Crankshaft Balancer

Replace the damaged or missing original crankshaft balancer on your engine with a Genuine GM service part. For vehicles with LSx swaps, you'll need to know what balancer you have to be able to order the right belt system. The...

Product#: HD10032

Big Block Pro/Race Counterweight

Pro Race Performance externally balanced harmonic balancers feature weights bolted in place which may be removed for neutral or internally balanced application. Internally balanced balancers can be used on an external...

Product#: A9721113

Serpentine Front Drive System, LS1/2/3/6 Engs with A/C & P/S With Tuff Stuff Water Pump - Polished

All American Billet Serpentine Kits are a great way to clean up any engine compartment. You have a choice of Machined Finished, Polished, or Black Silverline - Black Anodized with machined highlights for an aggressive modern...

Product#: 175013

LS7 Black Hardcoat Finish Vintage Air Front Runner Drive Set (Without Power Steering)

This Vintage Air Front Runner™ Drive system for GM LS7 engines allows the use of serpentine belt systems found on modern vehicles. The compact package is designed for continuous SAE-spec static and dynamic belt...

Product#: 174058

Chevrolet Big Block with Power Steering Bright Finish Vintage Air Front Runner Drive Set with Pump

This Vintage Air Front Runner Drive system for Chevrolet Big Block engines allows the use of serpentine belt systems found on modern vehicles. The compact package is designed for continuous SAE-spec static and dynamic belt...

Product#: 175010SCA

Chevrolet Small Block without Power Steering Black Finish Vintage Air Front Runner Drive Set

This Vintage Air Front Runner Drive system for Chevrolet Small Block engines allows the use of serpentine belt systems found on modern vehicles. The compact package is designed for continuous SAE-spec static and dynamic belt...

Product#: 174018

LS7 Black Hardcoat Finish Vintage Air Front Runner Drive Set (Power Steering without Pump)

This Vintage Air Front Runner™ Drive system for GM LS7 engines allows the use of serpentine belt systems found on modern vehicles. The compact package is designed for continuous SAE-spec static and dynamic belt...

Product#: MP211651

Chevrolet Small Block Clear Powder Coat March Revolver Alt, AC and PS (Saginaw Style) Serpentine Set

This serpentine conversion set offers the same combination of style and low price as the popular Style Track alternator, AC and power steering set but with cool Revolver styling. The highly styled one piece bracket provides...

Product#: R8849P

1955-72 Chevrolet and GMC Big Block Short Water Pump Crankshaft Pulley Polished Triple Groove

1955-72 Chevrolet and GMC Big Block Short Water Pump Crankshaft Pulley Polished Triple GrooveAluminum crankshaft pulley will dress-up your small block or big block engine. 1955-68 Chevy cars used a short water pump and...

Product#: R9480P

1955-72 Chevrolet and GMC Small Block Short Water Pump Crankshaft Pulley Polished Single Groove

1955-72 Chevrolet and GMC Small Block Short Water Pump Crankshaft Pulley Polished Single GrooveAluminum crankshaft pulley will dress-up your small block or big block engine. 1955-68 Chevy cars used a short water pump and...

Product#: MP220531

Chevy S/B Clear March Ultra High Flow Mid Mount Alt & PS (Keyway Style Pump) Serpentine Pulley Set

Simple yet exceptionally styled, this new "Mid Mount" alternator and power steering serpentine set from March Performance offers an exciting new look. CNC machined from solid billet 6061-T6 aluminum for a spectacular finish...

Product#: R8858B

1955-72 Chevrolet and GMC Small Block Short Water Pump Crankshaft Pulley Black Triple Groove

1955-72 Chevrolet and GMC Small Block Short Water Pump Crankshaft Pulley Black Triple GrooveAluminum crankshaft pulley will dress-up your small block or big block engine. 1955-68 Chevy cars used a short water pump and 1969-85...

Product#: R8849B

1955-72 Chevrolet and GMC Big Block Short Water Pump BlackTriple Groove

1955-72 Chevrolet and GMC Big Block Short Water Pump Crankshaft Pulley Satin Silver Triple GrooveAluminum crankshaft pulley will dress-up your small block or big block engine. 1955-68 Chevy cars used a short water pump and...

Product#: R9481B

1955-72 Chevrolet and GMC Small Block Short Water Pump Crankshaft Pulley Black Double Groove

1955-72 Chevrolet and GMC Small Block Short Water Pump Crankshaft Pulley Black Double GrooveAluminum crankshaft pulley will dress-up your small block or big block engine. 1955-68 Chevy cars used a short water pump and 1969-85...

Product#: R9481A

1955-72 Chevrolet and GMC Small Block Short Water Pump Crankshaft Pulley Satin Double Groove

1955-72 Chevrolet and GMC Small Block Short Water Pump Crankshaft Pulley Satin Double GrooveAluminum crankshaft pulley will dress-up your small block or big block engine. 1955-68 Chevy cars used a short water pump and 1969-85...

Product#: R8841B

1955-72 Chevrolet and GMC Big Block Short Water Pump Crankshaft Pulley Black Single Groove

Aluminum crankshaft pulley will dress-up your small block or big block engine. 1955-68 Chevy cars used a short water pump and 1969-85 use a long water pump. 1955-72 Chevy trucks used a short water pump and 1973-85 use a long...

Product#: R8858A

1955-72 Chevrolet and GMC Small Block Short Water Pump Crankshaft Pulley Satin Triple Groove

1955-72 Chevrolet and GMC Small Block Short Water Pump Crankshaft Pulley Satin Triple GrooveAluminum crankshaft pulley will dress-up your small block or big block engine. 1955-68 Chevy cars used a short water pump and 1969-85...