Performance Auto Parts for LS Swaps, Muscle Cars & Modern Builds

Shop thousands of in-stock performance parts from trusted brands—engine upgrades, suspension, exhaust, fuel systems, and more. Fast shipping and real-world support from fellow car enthusiasts.

Proform Harmonic Balancer Puller 66523

$56.99
BCHW_66523
All Engine Service Engine-Related Harmonic Balancer Puller Harmonic Balancer Puller and Installation Tools Proform Sale Tools Vehicles, Equipment, Tools, and Supplies
This harmonic balancer installation tool is designed for use with late model Dodge/Chrysler/Jeep crankshafts. Made from high quality steel material. This tool makes installing...

Proform Engine Camshaft Degree Wheel 66791

$22.22 $21.99
BCHW_66791
.CamshaftsValvetrain All Camshaft Degree Kits And Components Engine Camshaft Degree Wheel Engine Service Engine-Related Proform Sale Tools Vehicles, Equipment, Tools, and Supplies
Use this Degree Wheel to find top dead center or for checking camshaft timing. Follow our detailed step-by-step instructions, included with each Degree Wheel.Proform...

Proform Engine Valve Spring Compressor 66848

$24.90 $23.99
BCHW_66848
All Chassis & Suspension Engine Service Engine Valve Spring Compressor Engine-Related Proform Sale Tools Valve Spring Compressors Vehicles, Equipment, Tools, and Supplies
Here's your affordable yet durable way to change out the springs with heads on the engine. This heavy-duty, stud-style compressor will easily compress any...

Proform Differential Cover 66667

$169.04
BCHW_66667
.Differentials All Differential Differential Cover Differential Covers Differentials and Rear-End Components Driveline and Axles Drivetrain Proform Sale
Reinforced lightweight aluminum rear end covers designed to strengthen the rear housing case in heavy torque situations. The PERFECT LAUNCH logo is prominently displayed...

Proform Engine Cylinder Head Stud Removal Tool 66484

$47.43 $41.39
BCHW_66484
All Engine Cylinder Head Stud Removal Tool Engine Service Engine-Related Proform Rocker Stud Removal Tools Sale Tools Vehicles, Equipment, Tools, and Supplies
Make stud removal easier with our professional rocker arm stud remover tool. With ball bearing action and fittings for 5/16" and 3/8" this tool...

Proform Made From Quality Steel and has a Blue Powdercoat Finish 66832

$153.15 $131.09
BCHW_66832
All Chassis & Suspension Engine Service Engine Valve Spring Compressor Engine-Related Proform Sale Tools Valve Spring Compressors Vehicles, Equipment, Tools, and Supplies
This heavy-duty, simple-to-use, manual valve spring compressor makes short work of even monstrous springs. The compressor arm slides for adjustment, employing a locking pin...

Proform Max 2in. Spring Dia. X 4in. Height 66774

$483.10 $419.74
BCHW_66774
All Chassis & Suspension Engine Service Engine Valve Spring Checker Engine-Related Proform Sale Tools Valve Spring Testers Vehicles, Equipment, Tools, and Supplies
Accurately check spring height versus spring pressure with our new heavy-duty bench top spring tester. Check springs up to 2" in diameter and 4"...

Proform Engine Piston Ring Grinder Replacement Grinding Wheel 66762

$14.32 $12.64
BCHW_66762
.PistonsRings All Engine Piston Ring Grinder Replacement Grinding Wheel Engine Service Engine-Related Piston Ring Filers Proform Sale Tools Vehicles, Equipment, Tools, and Supplies
120 Grit. Replacement wheel for Electric Ring Filer #66765Proform Engine Piston Ring Grinder Replacement Grinding Wheel 66762Specifications: Feature/Benefit 120 Grit. Replacement wheel for Electric...

Proform Uses Proform Part #66786 Replacement Grinding Wheels 66758

$205.84
BCHW_66758
.PistonsRings All Engine Piston Ring Grinder Engine Service Engine-Related Piston Ring Filers Proform Sale Tools Vehicles, Equipment, Tools, and Supplies
This easy to use electric ring filer makes quick and precise work of ring grinding. Square up your ring by simply pressing it against...
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Proform Max 2in. Spring Dia. X 4in. Height 66775 Quick View

Proform Max 2in. Spring Dia. X 4in. Height 66775

$483.10 $413.99
BCHW_66775
All Chassis & Suspension Engine Service Engine Valve Spring Checker Engine-Related Proform Sale Tools Valve Spring Testers Vehicles, Equipment, Tools, and Supplies
Accurately check spring height versus spring pressure with our new heavy-duty bench top spring tester. Check springs up to 2" in diameter and 4"...

Proform Dual Gauge Model with14mm Spark Plug Hole Adapter 66839

$99.88 $85.99
BCHW_66839
All Engine Compression Test Kit Engine Service Engine-Related Leakdown Testers Proform Sale Tools Vehicles, Equipment, Tools, and Supplies
This dual-gauge leakdown tester measures the condition of your head gaskets, piston rings, and valves. The gauge records incoming air pressure, and the right...

Proform Differential Pinion Setting Tool 66516

$137.03 $123.04
BCHW_66516
All Differential Pinion Setting Tool Differential Service Pinion Depth Gauges Proform Sale Shop Equipment Tools Vehicles, Equipment, Tools, and Supplies
For rear ends. Universal pinion setting tool so you can measure pinion depth of most automobiles and trucks.Proform Differential Pinion Setting Tool 66516Specifications: Feature/Benefit...

Proform Sold As One Set Of 16 Pieces 66882C

$60.99
BCHW_66882C
All Camshafts and Valvetrain Engine Engine Push Rod Engines and Components Proform Pushrods and Components Sale Valve Train Components
Premium high-grade steel. Tips welded on, not pressed onProform Sold As One Set Of 16 Pieces 66882CSpecifications: Make GM Feature/Benefit Premium high-grade steel. Applications...

Proform This Tool Is An Affordable and Portable Way To Test Springs Accurately 66842

$198.94
BCHW_66842
All Chassis & Suspension Engine Service Engine Valve Spring Checker Engine-Related Proform Sale Tools Valve Spring Testers Vehicles, Equipment, Tools, and Supplies
With this all-in-one tool, you will no longer need to using a ruler to measure spring height. Simple set the spring height with the...

Proform Engine Piston Ring Grinder 66785

$40.24
BCHW_66785
.PistonsRings All Engine Piston Ring Grinder Engine Service Engine-Related Piston Ring Filers Proform Sale Tools Vehicles, Equipment, Tools, and Supplies
To assure proper piston ring end-gap, the piston ring filer enables the user to file piston rings quickly and accurately. Position the piston ring...

Proform Fits GM BB 396-502 exc 348 and 409, Ford 5.0L, SB 289-302-351W, Mopar 414 66756

$45.27 $37.95
BCHW_66756
All Engine Fastener Kits Exhaust Exhaust Header Bolt Exhaust Manifold/Header Fastener Kits Fasteners Hardware, Fasteners and Fittings Proform Sale
PROFORM Wedge-Locking Header Bolts ELIMINATE the need to constantly re-tighten collector bolts, and without the need for clips, pins, racing-wire, chemicals or gunk. The...

Proform Engine Camshaft Degree Wheel Kit 66787

$141.44
BCHW_66787
.CamshaftsValvetrain All Camshaft Degree Kits And Components Engine Camshaft Degree Wheel Kit Engine Service Engine-Related Proform Sale Tools Vehicles, Equipment, Tools, and Supplies
For use with heads on engine. This kit contains all the tools needed to degree cams in the most popular engines, assuring proper cam...

Proform Sold as One Complete Kit 66482

$174.97 $149.49
BCHW_66482
All Body and Frame Equipment, Tools and Supplies Proform Sale Shop Equipment Tools Tubing Notchers Tubing Notching Tool Vehicles, Equipment, Tools, and Supplies
Designed for the serious fabricator. 0 to 45 degree, 1 degree increments, adjustable vise and made of high-grade aluminum.Proform Sold as One Complete Kit...

Proform Exhaust Header Bolt 66751

$39.92 $34.95
BCHW_66751
All Engine Fastener Kits Exhaust Exhaust Header Bolt Exhaust Manifold/Header Fastener Kits Fasteners Hardware, Fasteners and Fittings Proform Sale
PROFORM Wedge-Locking Header Bolts ELIMINATE the need to constantly re-tighten collector bolts, and without the need for clips, pins, racing-wire, chemicals or gunk. The...

Proform Includes 100cc Burette and Reads In 2cc Increments 66831

$214.50 $184.99
BCHW_66831
All Cylinder Head CC Kits and Components Engine Cylinder Head Volume Measurement Kit Engine Service Engine-Related Proform Sale Tools Vehicles, Equipment, Tools, and Supplies
This is the kit you need to accurately cc most cylinder head combustion chambers. Includes a precision glass 100 cc burette with easy-to-read 0.2cc...

Proform Great for Engine Assembly or Camshaft Degreeing 66782

$29.83 $27.99
BCHW_66782
All Crankshaft Turning Tools Engine Builder Rotation Adapter Tool Engine Service Engine-Related Proform Sale Tools Vehicles, Equipment, Tools, and Supplies
For Chevy or Ford V8 engines. Easily attaches to the balancer. Useful when assembling an engine or degreeing the cam. Then the crankshaft can...

Proform Engine Cylinder Head Work Stand 66481

$150.05 $143.74
BCHW_66481
All Cylinder Head Work Stands Engine Cylinder Head Work Stand Engine-Related Proform Sale Shop Equipment, Tools and Accessories Tools Vehicles, Equipment, Tools, and Supplies
Modify and maintain your cylinder heads with ease with the heavy-duty aluminum head holders. Sold in pairs.Proform Engine Cylinder Head Work Stand 66481Specifications: Feature/Benefit...

Proform Engine Valve Spring Checker 66836

$192.04
BCHW_66836
All Chassis & Suspension Engine Service Engine Valve Spring Checker Engine-Related Proform Sale Tools Valve Spring Testers Vehicles, Equipment, Tools, and Supplies
Here's the affordable, portable way to test springs. The hex-design body is very versatile: use it in a vise or an arbor press. The...

Proform Engine Cylinder Head Rocker Arm Stud Remover and Tap Alignment Kit 66783

$22.99
BCHW_66783
All Engine Cylinder Head Rocker Arm Stud Remover and Tap Alignment Kit Engine Service Engine-Related Proform Rocker Stud Removal Tools Sale Tools Vehicles, Equipment, Tools, and Supplies
Before installing the heavy-duty screw-in studs required for high-performance valve train components, this tool conveniently removes the factory pressed-in rocker studs.Proform Engine Cylinder Head...

Proform Uses Proform Part #66762 Replacement Grinding Wheels 66765

$397.99
BCHW_66765
.PistonsRings All Engine Piston Ring Grinder Engine Service Engine-Related Piston Ring Filers Proform Sale Tools Vehicles, Equipment, Tools, and Supplies
Accurately set end gap with PROFORM's powerful electric ring filing tool. Powered by a 6 volt, rechargeable battery. Offers maximum speed and affordability. Comes...

Proform Engine Valve Lash Adjusting Wrench Set 66779

$37.94
BCHW_66779
All Engine Service Engine Valve Lash Adjusting Wrench Set Engine-Related Proform Sale Tools Valve Lash Adjusting Wrenches Vehicles, Equipment, Tools, and Supplies
T-Handles. This simple T-handle and wrench set makes adjustment very easy, cutting the adjusting time in half. Simply position the adjusting handle wrench over...

Proform Features Quick Set-up and Offers Repeatability Between Pistons 66772

$813.04
BCHW_66772
.ConnectingRods .PistonsRings All Connecting Rod and Piston Vises Engine Piston Vise Engine Service Engine-Related Proform Sale Tools Vehicles, Equipment, Tools, and Supplies
quick set-up, repeatability, billet aluminum, corrosion-resistant anodizing, universal, and easy to use. Up to 4.5" diameter pistons.Proform Features Quick Set-up and Offers Repeatability Between...

Proform Sold As One Set Of 16 Pieces 66889C

$59.99
BCHW_66889C
All Camshafts and Valvetrain Engine Engine Push Rod Engines and Components Proform Pushrods and Components Sale Valve Train Components
Engine Pushrod Set; Small Block Chevy; 5/16 Diameter; Stock Length 7.800in +.100in.; High-Performance Series; Heat Treated; Made From Premium High-Grade Steel; Features Welded-On Tips...

Proform Engine Piston Top Dead Center Locator Tool 66792

$10.49
BCHW_66792
.PistonsRings All Engine Piston Top Dead Center Locator Tool Engine Service Engine-Related Piston Stops Proform Sale Tools Vehicles, Equipment, Tools, and Supplies
This tool provides a positive stop for the piston when locating top dead center. It screws into the spark plug hole.Proform Engine Piston Top...

Proform Engine Camshaft Checker Tool 66838

$100.04
BCHW_66838
All Cam Lobe Lift Indicators Engine Camshaft Checker Tool Engine Service Engine-Related Proform Sale Tools Vehicles, Equipment, Tools, and Supplies
With O-rings on each end to assure securing positioning, this unit slides down into the lifter bore and sits atop the camshaft for accurate...

Proform Exhaust Header Bolt 66753

$34.95
BCHW_66753
All Engine Fastener Kits Exhaust Exhaust Header Bolt Exhaust Manifold/Header Fastener Kits Fasteners Hardware, Fasteners and Fittings Proform Sale
PROFORM Wedge-Locking Header Bolts ELIMINATE the need to constantly re-tighten collector bolts, and without the need for clips, pins, racing-wire, chemicals or gunk. The...

Proform 100% NEW, BLACK, 1-WIRE MINI ALTERNATOR, GM 50 AMP. 66432

$264.62 $164.44
BCHW_66432
All Alternator Alternator / Generator and Related Components Alternators/Generators and Components Charging Systems Electrical, Charging and Starting Ignitions and Electrical Proform Sale
Not looking to power a small village with your alternator, and drop 5 pounds from the front end at the same time? These small...

Proform Fits GM LS Engines with 1/4in Wide Flange 66754

$34.95
BCHW_66754
All Engine Fastener Kits Exhaust Exhaust Header Bolt Exhaust Manifold/Header Fastener Kits Fasteners Hardware, Fasteners and Fittings Proform Sale
Each PROFORM 12.9 Steel (equiv. Grade 8+) Header Bolt is permanently assembled with a pair of special washers. When the bolt is torqued to...

Proform High-Torque Starter 66273

$269.07 $219.64
BCHW_66273
All Electrical, Charging and Starting Ignitions and Electrical Proform Sale Starter and Related Components Starter Motor Starters
High-torque, gear-reduction design. 100% NEW, not rebuilt. Offset design results in more clearance between the oil pan and the starter, and can be rotated...

Proform Engine Harmonic Balancer Cover 66517CC

$32.19
BCHW_66517CC
All Cylinder Block Components Engine Engine Harmonic Balancer Cover Engines and Components Harmonic Balancer Covers Harmonic Balancers Proform Sale
Harmonic Balancer Cover - Timing Marks - Aluminum - Chrome - 6-3/4 in Balancers - Small Block Chevy - Each

Proform Uses a Drill and a 5/16 Inch Drill Bit (not included) To Elongate Pushrod Slots 66485

$27.59
BCHW_66485
All Engine Push Rod Slotting Tool Engine Service Engine-Related Proform Pushrod Assembly Tools Sale Tools Vehicles, Equipment, Tools, and Supplies
Easily modify your heads for 1/6 ratio rockers with this handy pushrod slotting tool. Simply use a 5/16" drill bit to correctly lengthen the...
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