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PEM
Performance Engineering & Mfg know to us and others as PEM manufacture, quickchanges, gears, driveshafts and parts.

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Items 1-25 of 28
31 Spline Axles
31 spline axles fit most Quick Change and 9" Ford rears. PitStopUSA.com also carries special lightweight gundrilled 31 spline axles. Use with 24 spline drive flanges.
5 x 4.75" Hubs
Billet aluminum hubs are a lightweight, economical and are available at PitStopUSA.com in all common bolt patterns. We also offer steel hubs and steel hub kits. Many of our hub kits include bearings, seal, spindle nut and studs.
5 x 5" Hubs
Billet aluminum hubs are a lightweight, economical and are available at PitStopUSA.com in all common bolt patterns. We also offer steel hubs and steel hub kits. Many of our hub kits include bearings, seal, spindle nut and studs.
Axle Nuts
Pit Stop USA has the Axle Nuts you need to complete your assembly at low everyday prices. Whether you are running a traditional drivetrain or a sprint car we have the drivetrain fasteners you need.
Axle/Hub Seals
Complete Quick Change Rear-Ends
Quick change rear ends have been the standard in racing and hot rodding for decades. They allow you to change final drive ratios with a simple gear change, so racers can maximize performance from...More Details »
Conventional Grease
Differential Carrier Cases
Pit Stop USA offers Differential Carrier Cases at low everyday prices.
Differential Cases
Pit Stop USA is The Online Motorsports Superstore! We feature Ford 9" Carrier Bearing Cases at low everyday prices.
Drive Flange Hubs
Pit Stop USA is The Online Motorsports Superstore! We feature Drive Flanges at low everyday prices.
Ford 9" Rear Ends
Pit Stop USA is The Online Motorsports Superstore! We feature Ford 9" Rear Ends at low everyday prices.
Ford 9" Ring & Pinions
Pit Stop USA is The Online Motorsports Superstore! We feature Ford 9" Ring & Pinion at low everyday prices.
O-Rings
Check out the Recently Listed O-rings.
PEM Premium Quick Change Gear Sets
High Strength Alloy Steel for higher HP cars with bigger tires. LW Drilled. 1.5 lbs. lighter decreases your rotating weight. REM® polished for less friction and longer life. QC Gears run cooler with REM® finishing!
PEM Premium Quick Change Gears
High Strength Alloy Steel for higher HP cars with bigger tires. LW Drilled. 1.5 lbs. lighter decreases your rotating weight. REM® polished for less friction and longer life. QC Gears run cooler with REM® finishing!
PEM Racing Brake Rotors
Pit Stop USA offers PEM Racing Brake Rotors at low everyday prices.
PEM Standard Quick Change Gear Sets
Proven Gear manufactured for over 10 years. 10 spline gears - Fits Winters, Frankland, Bulldog (DMI), Tiger, Halibrand, Jones and other Quick Change Rear Ends.
PEM Standard Quick Change Gears
Proven Gear manufactured for over 10 years. 10 spline gears - Fits Winters, Frankland, Bulldog (DMI), Tiger, Halibrand, Jones and other Quick Change Rear Ends.
Quick Change Gear Covers
Pit Stop USA offers Quick Change Gear Covers at low everyday prices.
Rear Axle Housings
Pit Stop USA is The Online Motorsports Superstore! We feature Rear End Housings at low everyday prices.
Slip Yokes
Pit Stop USA offers Slip Yokes at low everyday prices.
Snap Rings
Retaining rings, also referred to as snap rings, are typically installed in a groove on the shaft or bore. The retaining ring acts as a shoulder which holds components in place. The retaining ring...More Details »
Spindle Washers & Nuts
Spindle Washers and Nuts from PitStopUSA.com keep your hubs, bearings and seals secure for reliability and performance. We stock spindle lock nut kits that include nut, washer and cotter pin for stock spindles too.
Spools and Mini Spools
Pit Stop USA is The Online Motorsports Superstore! We feature Spools at low everyday prices.
Trailing Arm Brackets - Weld-On
Aluminum trailing arm mounts can not compare to the clamping power of this weldable cast steel bracket
Items 1-25 of 28

PEM Products

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Items 126-150 of 153
Description: Quick Change Gear Set, Standard, Set 32, 10 Spline, 4.11 Ratios 5.84 / 2.89, 4.86 Ratios 6.90 / 3.42, Steel, Each
Item #: PEM61032
Condition: New
Limited Supply: Only 7 Left!
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Price: $84.99
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Description: Quick Change Gear Set, Standard, Set 32Q, 10 Spline, 4.11 Ratio 5.90 / 2.86, 4.86 Ratio 6.97 / 3.39, Steel, Each
Item #: PEM61032Q
Condition: New
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Description: Quick Change Gear Set, Standard, Set 33Q, 10 Spline, 4.11 Ratio 6.94 / 2.44, 4.86 Ratio 8.18 / 2.88, Steel, Each
Item #: PEM61033Q
Condition: New
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Price: $84.99
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Description: Quick Change Gear Set, Standard, Set 34, 10 Spline, 4.11 Ratio 5.65 / 2.99, 4.86 Ratio 6.68 / 3.53, Steel, Each
Item #: PEM61034
Condition: New
Limited Supply: Only 0 Left!
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Price: $84.99
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Description: Quick Change Gear Set, Standard, Set 35, 10 Spline, 4.11 Ratio 5.80 / 2.91, 4.86 Ratio 6.86 / 3.44, Steel, Each
Item #: PEM61035
Condition: New
Limited Supply: Only 5 Left!
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Price: $84.99
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Description: Quick Change Gear Set, Standard, Set 36, 10 Spline, 4.11 Ratio 6.05 / 2.79, 4.86 Ratio 7.14 / 3.30, Steel, Each
Item #: PEM61036
Condition: New
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Price: $84.99
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Description: Quick Change Gear Set, Standard, Set 4, 10 Spline, 4.11 Ratios 5.31 / 3.18, 4.86 Ratios 6.27 / 3.76, Steel, Each
Item #: PEM61004
Condition: New
Limited Supply: Only 1 Left!
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Price: $84.99
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Description: Quick Change Gear Set, Standard, Set 41, 10 Spline, 4.11 Ratio 6.77 / 2.50, 4.86 Ratio 8.00 / 2.95, Steel, Each
Item #: PEM61041
Condition: New
Limited Supply: Only 7 Left!
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Price: $84.99
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Description: Quick Change Gear Set, Standard, Set 43, 10 Spline, 4.11 Ratio 6.42 / 2.63, 4.86 Ratio 7.59 / 3.11, Steel, Each
Item #: PEM61043
Condition: New
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Price: $84.99
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Description: Quick Change Gear Set, Standard, Set 50, 10 Spline, 4.11 Ratio 7.19 / 2.35, 4.86 Ratio 8.50 / 2.77, Steel, Each
Item #: PEM61050
Condition: New
Limited Supply: Only 1 Left!
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Price: $84.99
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Description: Quick Change Gear Set, Standard, Set 6, 10 Spline, 4.11 Ratio 4.47 / 3.78, 4.86 Ratio 5.28 / 4.47, Steel, Each
Item #: PEM61006
Condition: New
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Price: $84.99
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Description: Quick Change Gear Set, Standard, Set 7, 10 Spline, 4.11 Ratio 4.65 / 3.63, 4.86 Ratio 5.49 / 4.30, Steel, Each
Item #: PEM61007
Condition: New
Limited Supply: Only 2 Left!
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Price: $84.99
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Description: Quick Change Gear Set, Standard, Set 8, 10 Spline, 4.11 Ratio 4.86 / 3.48, 4.86 Ratio 5.74 / 4.11, Steel, Each
Item #: PEM61008
Condition: New
Limited Supply: Only 6 Left!
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Price: $84.99
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Description: Quick Change Gear Set, Standard, Set 9, 10 Spline, 4.11 Ratio 4.98 / 3.39, 4.86 Ratio 5.88 / 4.01, Steel, Each
Item #: PEM61009
Condition: New
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Price: $84.99
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Description: Rear Axle Assembly, Ford 9 in Floater, 60 in Wide, Centered, Center Section Only, Steel, Natural, Each
Item #: PEMHN300300
Condition: New
Limited Supply: Only 0 Left!
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Price: $592.52
Sale: $564.07
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Description: Rear Axle Nut, Right Hand Thread, Steel, Natural, PEM Racing 2-1/2 in GN Tube, Each
Item #: PEMGNSNRH
Condition: New
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Price: $16.46
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Description: Drive Flange, 5 x 4.75 in Wheel Bolt Pattern, 24 Spline, 3/4 in Bolt-On Cap / Hardware / O-Ring, 2-1/2 in Grand National Hubs, Kit
Item #: PEMGNDFK5X43/4
Condition: New
Limited Supply: Only 3 Left!
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Price: $109.15
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Description: Drive Flange, 5 x 5 in Wheel Bolt Pattern, 24 Spline, 3/4 in Bolt-On Cap / Hardware / O-Ring, 2-1/2 in Grand National Hubs, Kit
Item #: PEMGNDFK5X5
Condition: New
Limited Supply: Only 1 Left!
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Price: $102.66
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Description: Wheel Hub Dust Cap, Bolt-On, O-Ring Sealed, Aluminum, Black Anodized, Each
Item #: PEMGNDCBLKKIT
Condition: New
Limited Supply: Only 9 Left!
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Price: $16.99
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Description: Wheel Hub, Rear, 5 x 4.75 Wheel Bolt Pattern, 24 Spline Drive Flange, Bolts / Bearings / Hub Seal / Lug Nuts / Plate / Studs Included, Steel, Black Oxide, Kit
Item #: PEMGNHUB5ON475KIT
Condition: New
Limited Supply: Only 2 Left!
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Price: $307.99
Sale: $303.97
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Description: Wheel Hub, Rear, 5 x 5.00 Wheel Bolt Pattern, 24 Spline Drive Flange, Bolts / Bearings / Hub Seal / Lug Nuts / Plate / Studs Included, Steel, Black Oxide, Kit
Item #: PEMGNHUB5ON5KIT
Condition: New
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Price: $277.91
Sale: $264.97
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Description: Wheel Bearing Kit, Bearings / Lock Washer / O-Ring / Seal, Grand National Hub, Kit
Item #: PEMGNHBAK
Condition: New
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Price: $41.99
Sale: $40.97
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Description: Lock Washer, Tab, Steel, Zinc Oxide, 2-1/2 in Grand National Wheel Hub, Each
Item #: PEMGNLW
Condition: New
Limited Supply: Only 8 Left!
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Price: $6.99
Sale: $5.97
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Description: Retaining Ring, Hub Seal, Steel, Grand National Hub, Each
Item #: PEMGNSR
Condition: New
Limited Supply: Only 7 Left!
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Price: $5.99
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Description: Brake Rotor, 11.750 in OD, 0.810 in Thick, 8 x 7.000 in Bolt Pattern, Steel, Natural, Each
Item #: PEMR810X11750
Condition: New
Limited Supply: Only 0 Left!
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Price: $48.07
Sale: $43.97
Save: 9%
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Items 126-150 of 153

More About PEM

We, at PEM have 20+ years experience in the manufacturing business. We are based in the midwest about 1 hour Southwest of St. Louis, MO on I-44. Our goal is to serve you with quality rear end and drive shaft products with competitive pricing.