LONGACRE
Longacre Racing Gauges, Alignment Tools, and Accessories at JJ Motorsports
Longacre Racing Products, founded in 1978 by Jack Jaynes in California, is a leading brand in the motorsport industry, specializing in high-quality gauges, scales, tools, and accessories for racing and performance vehicles. With a commitment to precision and durability, Longacre has expanded its offerings since moving to Redmond, Washington in 1987, providing essential equipment trusted by professional racers and enthusiasts worldwide.
At JJ Motorsports, we stock a wide variety of Longacre products to support your racing setup. For precise vehicle handling, check out the Deluxe Front End Alignment Kit that includes all necessary tools for accurate adjustments. Enhance your braking system with the convenient Brake Bottle Bleeder Kit or the customizable Brake Bias Panel in black. Drivers can upgrade their cockpit with the ergonomic 15in Steering Wheel in black, while the Throttle Linkage Kit ensures smooth acceleration. For secure storage, consider the Compact Radio Box in black. Whether you're fine-tuning for the track or maintaining your performance car, Longacre delivers reliable solutions. Explore our selection to find the ideal upgrades for your vehicle.
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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Longacre Accutech Pyrometer 52-50640
LONGACRE
$194.99Tire temperature management is critical to maximizing grip and longevity on the track or street. The Longacre Accutech Pyrometer gives you real-time thermal data across your contact patch, enabling...LON52-50640- SKU:
- LON52-50640
- Availability:
- Ships Same Business Day
- Weight:
- 1.50 LBS
- MFG Part #:
- 52-50640
$194.99 -
Longacre Mini IR Laser Pyro 52-50612
LONGACRE
$55.99Tire temperature management is critical to competitive performance—it directly impacts grip, wear rates, and lap consistency. The Longacre Mini IR Laser Pyro gives you real-time thermal data across...LON52-50612- SKU:
- LON52-50612
- Availability:
- Ships Same Business Day
- Weight:
- 0.43 LBS
- MFG Part #:
- 52-50612
$55.99Qty in Cart: 0Quantity:Price:$55.99Subtotal: -
Longacre Tire Tread Depth Gauge 52-50560
LONGACRE
$31.99Tire tread depth directly impacts traction, braking performance, and safety on track and street. A precise tread depth gauge eliminates guesswork and ensures you're making informed decisions about...LON52-50560- SKU:
- LON52-50560
- Availability:
- Ships Same Business Day
- Weight:
- 0.17 LBS
- MFG Part #:
- 52-50560
$31.99 -
Longacre Durometer & Tread Depth Gauge 52-50556
LONGACRE
$103.99Tire performance is non-negotiable in racing—and you can't optimize what you don't measure. The Longacre Durometer & Tread Depth Gauge gives you the precision data needed to monitor tire compound...LON52-50556- SKU:
- LON52-50556
- Availability:
- Ships Same Business Day
- Weight:
- 1.26 LBS
- MFG Part #:
- 52-50556
$103.99 -
Longacre Durometer w/Plastic Case 52-50553
LONGACRE
$65.99Tire compound consistency directly impacts grip, wear rates, and predictable handling—making accurate durometer readings essential for serious competitors and performance shops. The Longacre...LON52-50553- SKU:
- LON52-50553
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- MFG Part #:
- 52-50553
$65.99 -
Longacre Digital Durometer with Silver Case 52-50547
LONGACRE
$119.99Tire compound hardness directly impacts grip, wear rate, and handling characteristics—making accurate durometer readings essential for competitive racing and suspension tuning. The Longacre Digital...LON52-50547- SKU:
- LON52-50547
- Availability:
- Ships Same Business Day
- Weight:
- 0.76 LBS
- MFG Part #:
- 52-50547
$119.99 -
Longacre Durometer w/Silver Case 52-50546
LONGACRE
$93.99Accurate tire compound assessment is non-negotiable in high-performance racing and suspension tuning. The Longacre Durometer with Silver Case delivers precise, repeatable hardness measurements...LON52-50546- SKU:
- LON52-50546
- Availability:
- Ships Same Business Day
- Weight:
- 0.73 LBS
- MFG Part #:
- 52-50546
$93.99 -
Longacre Angled Tire Chuck Only 52-50496
LONGACRE
$14.99Precision tire pressure management is critical on the track, and a quality angled tire chuck eliminates fumbling and pressure loss during pit stops. The Longacre 52-50496 delivers a reliable,...LON52-50496- SKU:
- LON52-50496
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- MFG Part #:
- 52-50496
$14.99 -
Longacre Air Tank 0-60 PSI Lightweight 52-50315
LONGACRE
$285.99Track-side tire pressure adjustments require a reliable, portable air source that won't bog down your pit crew. The Longacre Air Tank delivers consistent 0-60 PSI pressure control in a lightweight,...LON52-50315- SKU:
- LON52-50315
- Availability:
- Ships Same Business Day
- Weight:
- 12.00 LBS
- MFG Part #:
- 52-50315
$285.99Qty in Cart: 0Quantity:Price:$285.99Subtotal: -
Longacre Setting Tool 52-50290
LONGACRE
$50.99Precision tire pressure adjustment is non-negotiable in competitive racing, where PSI variances directly impact grip, tire wear, and lap consistency. The Longacre Setting Tool 52-50290 provides...LON52-50290- SKU:
- LON52-50290
- Availability:
- Ships Same Business Day
- Weight:
- 0.89 LBS
- MFG Part #:
- 52-50290
$50.99Qty in Cart: 0Quantity:Price:$50.99Subtotal: -
Longacre Compact Valve Core Tool 52-50272
LONGACRE
$11.99Tire maintenance is non-negotiable in racing and high-performance driving, and having a reliable valve core tool in your pit bag or garage is essential for quick adjustments and repairs. The Longacre...LON52-50272- SKU:
- LON52-50272
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- MFG Part #:
- 52-50272
$11.99 -
Longacre Valve Core Stem Tool 52-50270
LONGACRE
$21.99Valve core stems demand precision handling—a quality tool prevents cross-threading, damage to your wheel sensors, and costly downtime. The Longacre 52-50270 delivers the ergonomic control and...LON52-50270- SKU:
- LON52-50270
- Availability:
- Ships Same Business Day
- Weight:
- 0.18 LBS
- MFG Part #:
- 52-50270
$21.99 -
Longacre Brass Valve Stems Low Profile (4pk) 52-50265
LONGACRE
$28.99Proper valve stem selection is foundational to maintaining accurate tire pressure and preventing air loss during competition or daily driving. Longacre's brass valve stems deliver reliable, leak-free...LON52-50265- SKU:
- LON52-50265
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- MFG Part #:
- 52-50265
$28.99 -
Longacre Quick Change Adpt. 52-50240
LONGACRE
$53.99If you're running Longacre tire pressure relief valves, switching to quick-change adapters eliminates fumbling with fittings between pit stops and practice sessions. This set of four aluminum...LON52-50240- SKU:
- LON52-50240
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- MFG Part #:
- 52-50240
$53.99 -
Longacre Pro-Team Tirelief Kit 52-50100
LONGACRE
$392.99Tire pressure management is critical for consistent lap times and tire longevity—especially in racing environments where conditions change rapidly between sessions. The Longacre Pro-Team Tirelief Kit...LON52-50100- SKU:
- LON52-50100
- Availability:
- Ships Same Business Day
- Weight:
- 2.76 LBS
- MFG Part #:
- 52-50100
$392.99 -
Longacre Tirelief Repl O-Ring 4pk 52-50008
LONGACRE
$16.99Tire pressure relief valves are critical safety components in high-performance racing applications, and worn O-rings compromise valve integrity and system reliability. This genuine Longacre...LON52-50008- SKU:
- LON52-50008
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- MFG Part #:
- 52-50008
$16.99 -
Longacre Tireliefs 3-40 Psi. 52-50000
LONGACRE
$126.99Tire pressure relief valves are essential safety components for any racing operation, preventing dangerous over-pressurization in your tire systems during high-heat competition. The Longacre...LON52-50000- SKU:
- LON52-50000
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- MFG Part #:
- 52-50000
$126.99 -
Longacre Starter Solenoid HD 52-45900
LONGACRE
$33.99A reliable starter solenoid is critical to consistent engine starting performance, especially in high-demand racing and competition environments where electrical failures cost races. The Longacre...LON52-45900- SKU:
- LON52-45900
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- MFG Part #:
- 52-45900
$33.99 -
Longacre Battery Disconnect Panel Black 4 Post 52-45784
LONGACRE
$42.99A reliable battery disconnect is essential safety equipment for any serious racer or high-performance vehicle builder. This rotary switch panel cuts all electrical power instantly, protecting your...LON52-45784- SKU:
- LON52-45784
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
- MFG Part #:
- 52-45784
$42.99 -
Longacre Battery Disc. Switch HD 4 Post Altn. 125 Amps 52-45783
LONGACRE
$86.99A reliable battery disconnect switch is essential for any race car, competition vehicle, or high-performance build. This Longacre unit provides a clean, fail-safe way to cut all electrical power in...LON52-45783- SKU:
- LON52-45783
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
- MFG Part #:
- 52-45783
$86.99 -
Longacre Bat.Disc.Switch W/Alt 52-45780
LONGACRE
$40.99A quality battery disconnect switch is essential safety equipment for any race car, dedicated track vehicle, or performance build. The Longacre rotary switch provides reliable, accessible power...LON52-45780- SKU:
- LON52-45780
- Availability:
- Ships Same Business Day
- Weight:
- 0.86 LBS
- MFG Part #:
- 52-45780
$40.99 -
Longacre Battery Disconnect Panel Black 2 Post 52-45760
LONGACRE
$36.99A reliable battery disconnect is essential for any race car, high-performance build, or vehicle stored for extended periods. This Longacre rotary switch cuts power instantly in case of emergency or...LON52-45760- SKU:
- LON52-45760
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- MFG Part #:
- 52-45760
$36.99 -
Longacre Weatherproof Battery Disconnect 52-45753
LONGACRE
$44.99Whether you're running a dedicated track car, a competition vehicle, or a high-performance build, a battery disconnect switch is essential safety equipment. The Longacre Weatherproof Battery...LON52-45753- SKU:
- LON52-45753
- Availability:
- Ships Same Business Day
- Weight:
- 0.84 LBS
- MFG Part #:
- 52-45753
$44.99 -
Longacre Battery Dis. Switch 52-45750
LONGACRE
$30.99A battery disconnect switch is essential safety equipment for any race car, high-performance build, or stored vehicle. This Longacre rotary switch cuts all electrical power instantly—critical for...LON52-45750- SKU:
- LON52-45750
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- MFG Part #:
- 52-45750
$30.99 -
Longacre Battery Disconnect Push/ Pull 52-45749
LONGACRE
$34.99A battery disconnect switch is essential safety equipment for any race car, track vehicle, or dedicated project build. This push/pull design allows you to quickly isolate your electrical system in...LON52-45749- SKU:
- LON52-45749
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- MFG Part #:
- 52-45749
$34.99 -
Longacre Battery Disconnect Switc Economy 52-45748
LONGACRE
$19.99A battery disconnect switch is essential safety equipment for any race vehicle, street machine, or dedicated project car—it allows you to completely isolate your electrical system in seconds, whether...LON52-45748- SKU:
- LON52-45748
- Availability:
- Ships Same Business Day
- Weight:
- 0.36 LBS
- MFG Part #:
- 52-45748
$19.99 -
Longacre Battery Thru Panel 52-45700
LONGACRE
$17.99A reliable battery disconnect system is essential for any serious race vehicle or high-performance build, and this Longacre thru-panel connector delivers the durability and electrical integrity your...LON52-45700- SKU:
- LON52-45700
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- MFG Part #:
- 52-45700
$17.99 -
Longacre Ex.H.D. Switch W/Flip Up 52-45470
LONGACRE
$18.99When you're managing high-demand electrical systems in a race car or performance vehicle, you need a switch that can handle serious current without hesitation. The Longacre Ex.H.D. Switch delivers...LON52-45470- SKU:
- LON52-45470
- Availability:
- Ships Same Business Day
- Weight:
- 0.12 LBS
- MFG Part #:
- 52-45470
$18.99 -
Longacre Weatherproof Starter Button 52-45466
LONGACRE
$25.99A reliable starter button is critical for consistent engine ignition in racing and high-performance applications where standard ignition switches fall short. The Longacre Weatherproof Starter Button...LON52-45466- SKU:
- LON52-45466
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- MFG Part #:
- 52-45466
$25.99 -
Longacre Starter Button 52-45460
LONGACRE
$19.99A reliable starter button is essential for any race car, dedicated project vehicle, or competition machine where stock ignition systems fall short. The Longacre 52-45460 delivers dependable momentary...LON52-45460- SKU:
- LON52-45460
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- MFG Part #:
- 52-45460
$19.99 -
Longacre 3 Terminal Mag Switch 52-45430
LONGACRE
$20.99A reliable battery disconnect switch is essential for any race car, off-road vehicle, or performance build where electrical safety and system control matter. The Longacre 3 Terminal Mag Switch gives...LON52-45430- SKU:
- LON52-45430
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- MFG Part #:
- 52-45430
$20.99 -
Longacre Weatherproof Ignition Switch 52-45423
LONGACRE
$17.99When you're building a race car or performance vehicle, every electrical component needs to withstand extreme conditions—vibration, moisture, and thermal stress. The Longacre Weatherproof Ignition...LON52-45423- SKU:
- LON52-45423
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- MFG Part #:
- 52-45423
$17.99 -
Longacre Ex. Heavy Duty Ign Switc 52-45420
LONGACRE
$14.99When you're pushing your vehicle to the limit, a reliable ignition switch isn't a luxury—it's a requirement. The Longacre Ex. Heavy Duty Ign Switch is engineered for high-demand racing and extreme...LON52-45420- SKU:
- LON52-45420
- Availability:
- Ships Same Business Day
- Weight:
- 0.09 LBS
- MFG Part #:
- 52-45420
$14.99 -
Longacre Flip Up Switch Cover 52-45370
LONGACRE
$16.99Accidental switch activation can cost you races, damage your engine, or worse—compromise safety during high-speed competition. The Longacre Flip Up Switch Cover provides a simple, reliable barrier...LON52-45370- SKU:
- LON52-45370
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- MFG Part #:
- 52-45370
$16.99 -
Longacre Brake Fitting w/Tab #4-3/16in Bulkhead 52-45288
LONGACRE
$15.99Precision brake line routing is critical in high-performance applications where every connection point impacts system reliability and response. This Longacre bulkhead fitting delivers a clean,...LON52-45288- SKU:
- LON52-45288
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
- MFG Part #:
- 52-45288
$15.99 -
Longacre Brake Fitting w/Tab #3-3/16in Bulkhead 52-45286
LONGACRE
$15.99When you're running a high-performance brake system, every connection point matters—loose fittings mean air in the lines and unpredictable pedal feel. The Longacre Brake Fitting with Frame Tab...LON52-45286- SKU:
- LON52-45286
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- MFG Part #:
- 52-45286
$15.99 -
Longacre Brake Fitting Frame Tab 4-pack 52-45284
LONGACRE
$17.99When you're building a custom brake system or upgrading your chassis plumbing, routing and securing brake lines requires reliable mounting points that won't fail under pressure. These Longacre frame...LON52-45284- SKU:
- LON52-45284
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
- MFG Part #:
- 52-45284
$17.99 -
Longacre Brake Fitting #4-3/16in Bulkhead 52-45273
LONGACRE
$9.99Bulkhead fittings are critical connection points in high-performance brake systems, and this Longacre unit delivers the reliability needed when precision matters most. The inverted flare design...LON52-45273- SKU:
- LON52-45273
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- MFG Part #:
- 52-45273
$9.99 -
Longacre Brake Fitting #3-3/16in Bulkhead 52-45263
LONGACRE
$9.99A quality brake fitting is non-negotiable in any serious racing or high-performance brake system. This Longacre bulkhead fitting provides a reliable, compact junction point for brake lines,...LON52-45263- SKU:
- LON52-45263
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- MFG Part #:
- 52-45263
$9.99 -
Longacre Brake Fitting #4 90 1/8NPT 52-45230
LONGACRE
$8.99If you're building a custom brake system or adapting OEM hydraulic lines to AN fittings, you need reliable adapters that won't leak under pressure. This Longacre 90-degree fitting bridges the gap...LON52-45230- SKU:
- LON52-45230
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
- MFG Part #:
- 52-45230
$8.99
