Differential Shims
Circle Track Differential Shims at JJ Motorsports
Achieve precise gear alignment and optimal backlash in your circle track differential with high-quality shims from JJ Motorsports. These steel shim kits allow fine adjustments to reduce wear, improve power transfer, and maintain performance under extreme racing loads in IMCA, USMTS, late models, modifieds, and street stocks, compatible with Ford 9in, GM 10-bolt, and other popular rear ends.
Shop trusted brands like Motive Gear for GM carrier shims, Diversified Machine for CT-1 spool kits, and Richmond for Ford 8.8 sets. Explore related categories such as Circle Track Differentials and Rear End Components for complete rear end solutions or Circle Track Ring and Pinion Gears for gear upgrades.
Top Circle Track Differential Shims
- Carrier Shims 7.5 - 8.5 GM 10 Bolt Rearend SS10 – Differential Shim, Steel, Natural, Ford / GM, Kit; essential for precise carrier adjustment in GM 10-bolt differentials.
- DMI CT-1 Spool Shim Kit Large O.D. RRC-1286 – Differential Shim, 2.230 in OD, Steel, Spool, CT-1; designed for large OD spools in high-performance racing applications.
- Ford 8.8 Carrier Shims 38-0007-1 – Differential Shim, Ford 8.8 in / GM 10-Bolt, Kit; provides accurate shim adjustments for Ford 8.8 differentials.
Browse our in-stock inventory below with same-day shipping and expert support. Free shipping on orders over $99! Questions? Contact us for fitment advice!
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
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Carrier Shims 7.5 - 8.5 GM 10 Bolt Rearend SS10
MOTIVE GEAR
$21.99Differential ShimSteelNaturalFord / GMKitMOTSS10- SKU:
- MOTSS10
- Availability:
- Ships Same Business Day
- Weight:
- 0.48 LBS
$21.99 -
DMI CT-1 Spool Shim Kit Large O.D. RRC-1286
DIVERSIFIED MACHINE
$42.99Differential Shim2.230 in ODSteelSpoolCT-1DMIRRC-1286- SKU:
- DMIRRC-1286
- Availability:
- Ships Same Business Day
- Weight:
- 0.07 LBS
$42.99 -
Ford 8.8 Carrier Shims 38-0007-1
RICHMOND
$10.99Differential ShimFord 8.8 in / GM 10-BoltKitRIC38-0007-1- SKU:
- RIC38-0007-1
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
$10.99 -
GM 8.5 Carrier Shims 38-0006-1
RICHMOND
$13.99Differential ShimFord 7.5 in / GM 7.5 in / GM 8.5 in / GM 8.2 inKitRIC38-0006-1- SKU:
- RIC38-0006-1
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$13.99 -
Winters Aluminum Spool Carrier Shim 2.031 in ID Steel Set of 12 WIN5295
WINTERS
$9.49This set of 12 steel differential shims is designed for Winters Aluminum Spools and Differentials, featuring a 2.031-inch inner diameter to ensure precise fitment and optimal performance in high-stress racing environments. Compatible with Winters...WIN5295- SKU:
- WIN5295
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
- MFG Part #:
- 5295
$9.49 -
Differential Shim Kit KT0445
FRANKLAND RACING
$12.99Differential Shim Kit Differential ShimSteelFrankland Superlite Quick ChangeSet of 10FRKKT0445- SKU:
- FRKKT0445
- Availability:
- Ships Same Business Day
- Weight:
- 0.07 LBS
- MFG Part #:
- KT0445
$12.99 -
DMI CT1 Spool Shim Kit RRC-1276
DIVERSIFIED MACHINE
$42.99CT1 Spool Shim Kit Differential Shim2.066 in IDSteelSpoolCT-1Bulldog Quick ChangeSet of 12DMIRRC-1276- SKU:
- DMIRRC-1276
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- MFG Part #:
- RRC-1276
$42.99 -
Allstar Performance Differential Shim Kit for Ford 8" Axle ALL68639
ALLSTAR PERFORMANCE
$37.99This Allstar Performance Shim Kit is tailored for Ford 8-inch differentials, offering all essential components for a precise and efficient installation. The kit includes pinion retainer and pre-load shims, bolts, a crush sleeve, pinion nut, and shims,...ALL68639- SKU:
- ALL68639
- Availability:
- Ships Same Business Day
- Weight:
- 1.46 LBS
- MFG Part #:
- ALL68639
$37.99 -
Allstar Performance Shim Kit for Mopar 8-3/4 with 742 Casting 1.796" I.D. Carrier Bearings ALL68637
ALLSTAR PERFORMANCE
$58.99This Allstar Performance Shim Kit is specifically designed for the Mopar 8-3/4-inch differential with the 742 casting, commonly found in various Chrysler and Dodge models. It includes all necessary components to ensure proper pinion depth and bearing...ALL68637- SKU:
- ALL68637
- Availability:
- Ships Same Business Day
- Weight:
- 1.62 LBS
- MFG Part #:
- ALL68637
$58.99 -
Allstar Performance Shim Kit for Dana 60 and 61 Axles 1966-1998 ALL68634
ALLSTAR PERFORMANCE
$61.99The Allstar Performance Shim Kit is designed for Dana 60 and 61 differentials from 1966 to 1998, providing all essential components for a seamless ring and pinion installation. This comprehensive kit ensures precise setup and optimal performance for your...ALL68634- SKU:
- ALL68634
- Availability:
- Ships Same Business Day
- Weight:
- 2.22 LBS
- MFG Part #:
- ALL68634
$61.99 -
Allstar Performance Shim Kit Dana 44 1967-1997 ALL68633
ALLSTAR PERFORMANCE
$39.99The Allstar Performance Shim Kit for Dana 44 differentials, part number ALL68633, is designed for vehicles from 1967 to 1997. This comprehensive kit includes all necessary components for a quick and trouble-free installation, ensuring optimal performance...ALL68633- SKU:
- ALL68633
- Availability:
- Ships Same Business Day
- Weight:
- 1.41 LBS
- MFG Part #:
- ALL68633
$39.99 -
Allstar Performance Shim Kit for Mopar 8-3/4 489 Case ALL68631
ALLSTAR PERFORMANCE
$53.99The Allstar Performance Shim Kit is designed for the Mopar 8-3/4-inch rear axle with a 489 casting, providing essential components for a seamless differential installation. This comprehensive kit includes all necessary parts to ensure a quick and...ALL68631- SKU:
- ALL68631
- Availability:
- Ships Same Business Day
- Weight:
- 2.13 LBS
- MFG Part #:
- ALL68631
$53.99 -
Allstar Performance Shim Kit GM 8.2in 10 Bolt 1964-72 ALL68622
ALLSTAR PERFORMANCE
$47.99Shim Kit GM 8.2in 10 Bolt 1964-72Differential ShimPinion Retainer / Pre-Load ShimsBolts / Crush Sleeve / Pinion Nut / Shims8.2 inGM 10-BoltKitALL68622- SKU:
- ALL68622
- Availability:
- Ships Same Business Day
- Weight:
- 1.88 LBS
- MFG Part #:
- ALL68622
$47.99 -
Allstar Performance Shim Kit GM 8.5in 10 Bolt 1970-98 ALL68621
ALLSTAR PERFORMANCE
$43.99Shim Kit GM 8.5in 10 Bolt 1970-98Differential ShimPinion Retainer / Pre-Load ShimsBolts / Crush Sleeve / Pinion Nut / Shims8.5 inGM 10-BoltKitALL68621- SKU:
- ALL68621
- Availability:
- Ships Same Business Day
- Weight:
- 2.07 LBS
- MFG Part #:
- ALL68621
$43.99 -
Allstar Performance Shim Kit for GM 8.875" 12-Bolt Passenger Car Axle ALL68619
ALLSTAR PERFORMANCE
$47.99The Allstar Performance Shim Kit is specifically engineered for GM 8.875-inch 12-bolt passenger car axles, offering a comprehensive solution for differential assembly. This kit includes essential components such as a pinion retainer, pre-load shims,...ALL68619- SKU:
- ALL68619
- Availability:
- Ships Same Business Day
- Weight:
- 2.20 LBS
- MFG Part #:
- ALL68619
$47.99 -
Allstar Performance Differential Shim Kit for GM 8.875in 12-Bolt Truck ALL68618
ALLSTAR PERFORMANCE
$49.99This Allstar Performance shim kit is tailored for GM 8.875-inch 12-bolt truck differentials, offering all essential components for a precise and reliable installation. It includes a pinion retainer, pre-load shims, bolts, crush sleeve, pinion nut, and...ALL68618- SKU:
- ALL68618
- Availability:
- Ships Same Business Day
- Weight:
- 2.21 LBS
- MFG Part #:
- ALL68618
$49.99 -
Allstar Performance Shim Kit GM 7.5in 10 Bolt 1982-1998 ALL68615
ALLSTAR PERFORMANCE
$43.99Shim Kit GM 7.5in 10 Bolt 1982-1998Differential ShimPinion Retainer / Pre-Load ShimsBolts / Crush Sleeve / Pinion Nut / Shims7.5 inGM 10-Bolt 1982-98KitALL68615- SKU:
- ALL68615
- Availability:
- Ships Same Business Day
- Weight:
- 1.79 LBS
- MFG Part #:
- ALL68615
$43.99 -
Allstar Performance Shim Kit Ford 9in with Crush Sleeve ALL68611
ALLSTAR PERFORMANCE
$31.99Shim Kit Ford 9in with Crush SleeveDifferential ShimPinion Retainer / Pre-Load ShimsBolts / Crush Sleeve / Pinion Nut / ShimsFord 9 inKitALL68611- SKU:
- ALL68611
- Availability:
- Ships Same Business Day
- Weight:
- 1.68 LBS
- MFG Part #:
- ALL68611
$31.99 -
Allstar Performance Shim Kit Ford 9in with Solid Spacer ALL68610
ALLSTAR PERFORMANCE
$39.99Shim Kit Ford 9in with Solid SpacerDifferential ShimPinion Retainer / Pre-Load ShimsBolts / Pinion Nut / Shims / Solid SpacerFord 9 inKitALL68610- SKU:
- ALL68610
- Availability:
- Ships Same Business Day
- Weight:
- 1.74 LBS
- MFG Part #:
- ALL68610
$39.99 -
Allstar Performance Shim Kit Ford 8.8in ALL68613
ALLSTAR PERFORMANCE
$44.99Shim Kit Ford 8.8in Differential ShimPinion Retainer / Pre-Load ShimsBolts / Crush Sleeve / Pinion Nut / ShimsFord 8.8 inKitALL68613- SKU:
- ALL68613
- Availability:
- Ships Same Business Day
- Weight:
- 2.15 LBS
- MFG Part #:
- ALL68613
$44.99
