J J Motorsports
JJ Motorsports Race Car Parts
Discover circle track racing components from JJ Motorsports. Specializing in durable, high-performance parts for IMCA, USRA, and dirt track racing, our selection includes adjustable control arms, suspension spacers, tools, clamps, and fasteners designed for strength, precision, and reliability on the track.
Shop for innovative solutions in chassis, suspension, and pit equipment. Explore related categories such as circle track suspension and components for handling upgrades or circle track tools for maintenance essentials.
Top JJ Motorsports Products
- 9" Adjustable Upper Control Arm with Aluminum Shaft – Adjustable from 8.75" to 9.75", steel construction with aluminum cross shaft, includes rod ends, adjusters, jam nuts, cap, and ball joint pin for small diameter K772 style.
- Long Pit Lug Socket Extension – 1/2" Drive, 12" Long – Durable steel with neon yellow finish for visibility, provides extra reach for quick lug nut removal in pit stops.
- 3/4" OD x 1/2 ID Steel Spacers – Anodized black steel spacers in various lengths for suspension and racing applications.
- Weight Clamp Ballast Bar Mounts 1-1/2 Aluminum - Pair – Billet aluminum clamps with anodized black finish, 1/2"-13 threaded hole for mounting on 1-1/2" tubing.
- Body Bolt Kit with 1-1/4" OD Aluminum Washers and Serrated Nuts – Steel bolts (1.25" length) with aluminum washers and serrated nuts, available in packs of 10, 25, or 50 for secure body panel fastening.
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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10.5" Adjustable Upper Control Arm with Notched Shaft
J J MOTORSPORTS
$170.00If you're building or maintaining a rage modified or custom dirt race chassis, control arm geometry directly impacts your handling precision and suspension responsiveness. This adjustable upper control arm gives you the fine-tuning capability to dial in...RCSU-00800- SKU:
- RCSU-00800
- Availability:
- Ships Same Business Day
- Weight:
- 5.00 LBS
- Adjustable Range (inches):
- 10.25" - 11.25"
- Construction:
- Steel
- Ball Joint Pin Length:
- Select
$170.00 -
10.5" Adjustable Upper Control Arm with Aluminum Shaft
J J MOTORSPORTS
$170.00Precision front-end geometry is non-negotiable in dirt racing, and this adjustable upper control arm gives you the corner-by-corner tuning capability to dial in your chassis setup without fabrication delays. The 10.25" to 11.25" adjustment range lets you...RCSU-00788- SKU:
- RCSU-00788
- Availability:
- Ships Same Business Day
- Weight:
- 5.00 LBS
- Adjustable Range (inches):
- 10.25" - 11.25"
- Construction:
- Steel
- Ball Joint Pin Length:
- Select
$170.00 -
10.5" Adjustable Upper Control Arm with Slotted Shaft
J J MOTORSPORTS
$170.00If you're building or tuning a dirt race car chassis, you need an upper control arm that gives you real adjustability without compromise. This 10.5" adjustable design lets you dial in your suspension geometry precisely, while the slotted shaft and...RCSU-00899- SKU:
- RCSU-00899
- Availability:
- Ships Same Business Day
- Weight:
- 5.00 LBS
- Adjustable Range (inches):
- 10.25" - 11.25"
- Construction:
- Steel
- Ball Joint Pin Length:
- Select
$170.00 -
12.5" Adjustable Upper Control Arm with Slotted Shaft
J J MOTORSPORTS
$170.00Precise suspension geometry is non-negotiable in dirt racing, and this adjustable upper control arm gives you the fine-tuning capability to dial in your chassis for optimal weight transfer and cornering performance. The slotted aluminum cross shaft...RCSU-00877- SKU:
- RCSU-00877
- Availability:
- Ships Same Business Day
- Weight:
- 5.00 LBS
- Adjustable Range (inches):
- 12.25" - 13.25"
- Construction:
- Steel
- Ball Joint Pin Length:
- Select
- Cross Shaft Material:
- Aluminum
$170.00 -
9" Adjustable Upper Control Arm with Slotted Shaft
J J MOTORSPORTS
$170.00Fine-tuning suspension geometry is critical for extracting consistent lap times and predictable handling on dirt. This 9" adjustable upper control arm gives you the precision to dial in caster, camber, and ride height without fabrication—essential for...RCSU-00855- SKU:
- RCSU-00855
- Availability:
- Ships Same Business Day
- Weight:
- 5.00 LBS
- Adjustable Range (inches):
- 8.75-9.75
- Construction:
- Steel
- Ball Joint Pin Length:
- Select
$170.00 -
11" Adjustable Upper Control Arm with Slotted Shaft
J J MOTORSPORTS
$170.00Fine-tuning your suspension geometry is critical for competitive handling and tire wear management. This adjustable upper control arm delivers the precision you need to dial in caster, camber, and ride height without fabricating custom brackets. Built...RCSU-00833- SKU:
- RCSU-00833
- Availability:
- Ships Same Business Day
- Weight:
- 5.00 LBS
- Adjustable Range (inches):
- 10.75-11.75
- Construction:
- Steel
- Ball Joint Pin Length:
- Select
- Cross Shaft Material:
- Aluminum
$170.00 -
9" Adjustable Upper Control Arm with Aluminum Shaft
J J MOTORSPORTS
$160.00If you're building or tuning a rage modified or dirt race chassis, getting your suspension geometry dialed in is non-negotiable—and that starts with a quality upper control arm. This 9" adjustable unit gives you the fine-tuning capability to dial in...RCSU-00240- SKU:
- RCSU-00240
- Availability:
- Ships Same Business Day
- Weight:
- 5.00 LBS
- Adjustable Range (inches):
- 8.75-9.75
- Construction:
- Steel
- Ball Joint Pin Length:
- Select
$160.00 -
11" Adjustable Upper Control Arm with Aluminum Shaft
J J MOTORSPORTS
$160.00Precision chassis setup starts with a properly tuned upper control arm, and this adjustable design gives you the geometry control you need to dial in your Rage Modified or dirt racer. The aluminum cross shaft reduces unsprung weight while the 10.75" to...RCSU-00144- SKU:
- RCSU-00144
- Availability:
- Ships Same Business Day
- Weight:
- 5.00 LBS
- Adjustable Range (inches):
- 10.75-11.75
- Construction:
- Steel
- Ball Joint Pin Length:
- Select
- Cross Shaft Material:
- Aluminum
$160.00 -
Aluminum Notched Cross Shaft 6" Hole to Hole Center for Adjustable Uppers
J J MOTORSPORTS
$35.00Precision adjustable upper control arms demand a cross shaft that won't compromise your suspension geometry or alignment repeatability. This aluminum notched cross shaft gives you the adjustability you need without the weight penalty, while the...RCSU-0041- SKU:
- RCSU-0041
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
$35.00 -
Aluminum Cross Shaft 6" Hole to Hole Center for Adjustable Uppers
J J MOTORSPORTS
$35.00Precision adjustability starts with a solid foundation. This aluminum cross shaft gives you the fine-tuning capability to dial in your suspension geometry without compromise, whether you're chasing lap times or dialing in street performance. Built for...RCSU-0040- SKU:
- RCSU-0040
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
$35.00 -
11" Adjustable Upper Control Arm
J J MOTORSPORTS
$140.00Precise suspension geometry is non-negotiable in dirt racing—even small deviations in control arm length directly impact handling, tire wear, and lap times. This 11" adjustable upper control arm gives you the fine-tuning capability to dial in your...RCSU-0010- SKU:
- RCSU-0010
- Availability:
- Ships Same Business Day
- Weight:
- 5.00 LBS
- Adjustable Range (inches:
- 10.75-11.75
- Construction:
- Steel
- Ball Joint Pin Length:
- Select
$140.00 -
9" Adjustable Upper Control Arm
J J MOTORSPORTS
$140.00Upper control arm geometry directly impacts your suspension's alignment, steering response, and tire wear—especially critical in dirt racing where chassis setup separates winners from the field. This 9" adjustable arm lets you fine-tune your a-frame...RCSU-00220- SKU:
- RCSU-00220
- Availability:
- Ships Same Business Day
- Weight:
- 5.00 LBS
- Adjustable Range (inches:
- 8.75-9.75
- Construction:
- Steel
- Ball Joint Pin Length:
- Select
$140.00 -
Dirt Late Model 6th Coil Assembly with Spring
J J MOTORSPORTS
$215.99A properly tuned 6th coil assembly is critical for maintaining consistent suspension geometry and weight transfer in dirt late model racing. This clamp-on design allows quick adjustments to spring rate without full suspension teardown, letting you dial...234-9001- SKU:
- 234-9001
- Availability:
- Ships Same Business Day
- Weight:
- 5.00 LBS
$215.99 -
On SaleShips Free
14.4V Cordless Rivet Tool - Works with 3/32 to 3/16 Rivets, Includes Batteries and Case
J J MOTORSPORTS
Now: $280.00Was: $319.99Whether you're assembling race car bodywork, fabricating chassis components, or tackling demanding fastening jobs, a cordless rivet tool eliminates the friction of pneumatic setups and corded equipment. This 14.4V unit delivers the force and reliability...RCFS-5000- SKU:
- RCFS-5000
- Availability:
- Ships Same Business Day
- Weight:
- 8.00 LBS
- Color:
- Blue
- Rivet Size:
- Does up to 3/16" rivets
- Power Source:
- Battery
- Battery:
- Rechargeable
- Charger:
- Included
Now: $280.00Was: $319.99 -
Long Pit Lug Socket Extension – 1/2" Drive, 12" Long
J J MOTORSPORTS
$54.95In competitive racing, pit stop efficiency separates winners from the rest. This 12-inch lug socket extension eliminates the reach limitations of standard tools, giving your crew faster access to lug nuts without awkward positioning or wasted seconds...RCTL-1001- SKU:
- RCTL-1001
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
$54.95 -
Steel Threaded Nut Inserts with Nylon Locking Nuts - 1/4"-20 Fasteners for Race Car Panels
J J MOTORSPORTS
$19.95 - $89.95Panel fastening on a race car demands reliability—vibration, thermal cycling, and repeated assembly cycles will loosen standard fasteners. These steel threaded nut inserts with nylon locking nuts provide the secure, repeatable clamping force you need for...RCFS-1005- SKU:
- RCFS-1005
- Availability:
- Ships Same Business Day
- Weight:
- 5.00 LBS
- Made In:
- Michigan, USA
- Type:
- Threaded Nut Inserts
- Fits:
- 3/8 Hole
- Takes:
- 1/4-20 bolt
- Nut Type:
- Locking Nylon
$19.95 - $89.95 -
5/8 Heavy Duty Suspension Tubes - Steel
J J MOTORSPORTS
$22.95 - $29.95Suspension geometry directly impacts your car's handling, tire wear, and overall competitiveness on the track. These 5/8" heavy-duty steel tubes give you the adjustability and strength needed to dial in your setup precisely, without compromising...RCSU-0051- SKU:
- RCSU-0051
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
- Made In:
- Michigan, USA
- Threads:
- 5/8-18 Left Hand & Right Hand
- Finish:
- Anodized Black
- Lengths:
- Specify your length (in inches)
$22.95 - $29.95 -
-8 AN Fuel Filter Housing with 10-Micron 8-Inch Paper Filter
J J MOTORSPORTS
$51.95Contaminated fuel is one of the fastest ways to compromise engine reliability and performance. This -8 AN fuel filter housing eliminates particulates and debris before they reach your fuel injectors or carburetor, protecting your investment and...RCFL-0002- SKU:
- RCFL-0002
- Availability:
- Ships Same Business Day
- Weight:
- 1.75 LBS
- AN ends:
- AN - 8
- Paper Fuel Filter:
- Included
- Material:
- Aluminum
- Made In:
- Michigan, USA
$51.95 -
Steel Threaded Nut Inserts for Race Car Body Panels - 1/4"-20 Fasteners for Dash, Access, and Body Panels
J J MOTORSPORTS
$17.95 - $142.95Race car assembly demands fastening solutions that can withstand high vibration and repeated panel removal without compromising structural integrity. These steel threaded nut inserts eliminate the need for welded studs or permanent fastening methods,...RCFS-1019- SKU:
- RCFS-1019
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
$17.95 - $142.95 -
3/4 Heavy Duty Suspension Tubes - Steel
J J MOTORSPORTS
$24.00 - $35.00Precision suspension geometry demands components you can trust to maintain exact specifications lap after lap. These 3/4" heavy-duty steel suspension tubes deliver the rigidity and thread accuracy required for pull bars and adjustable suspension linkages...RCSU-0052- SKU:
- RCSU-0052
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
- Made In:
- Michigan, USA
- Threads:
- 3/4-16 Left Hand & Right Hand
- Finish:
- Anodized Black
- Lengths:
- Specify your length (in inches)
$24.00 - $35.00Qty in Cart: 0Quantity:Price:$24.00 - $35.00Subtotal: