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!
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- Qty in Cart
- Quantity
- Price
- Subtotal
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Longacre Waterproof LED Oil Pressure Gauge 52-46857
LONGACRE
$209.99Real-time oil pressure monitoring is critical to protecting your engine from catastrophic failure—especially under high-load racing conditions where pressure fluctuations happen in milliseconds. The...LON52-46857- SKU:
- LON52-46857
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
$209.99 -
Longacre Waterproof SMI Water Pressure Gauge 0-60psi 52-46748
LONGACRE
$219.99Real-time water pressure monitoring is critical for engine reliability, especially under racing conditions where coolant system failures can end your day—or worse. The Longacre Waterproof SMI Water...LON52-46748- SKU:
- LON52-46748
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
$219.99 -
Longacre Waterproof SMI Tach 2-5/8in 52-46747
LONGACRE
$234.99Accurate RPM monitoring is non-negotiable in high-performance racing and engine tuning. The Longacre Waterproof SMI Tach delivers reliable, real-time feedback with a stepper motor mechanism that...LON52-46747- SKU:
- LON52-46747
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
$234.99 -
Longacre Waterproof SMI Volt Gauge 8-18v 52-46746
LONGACRE
$129.99Accurate voltage monitoring is critical for maintaining optimal electrical system performance, especially in high-demand racing environments where battery and charging system failures can cost you a...LON52-46746- SKU:
- LON52-46746
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
$129.99 -
Longacre Waterproof SMI Oil Temp Gauge 100-340f 52-46745
LONGACRE
$176.99Real-time oil temperature monitoring is critical for engine longevity and performance tuning—this Longacre gauge gives you the data you need to prevent thermal damage and optimize operating...LON52-46745- SKU:
- LON52-46745
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
$176.99 -
Longacre Waterproof SMI Water Temp Gauge 100-280f 52-46744
LONGACRE
$177.99Real-time water temperature monitoring is non-negotiable in high-performance racing and street applications—it's the difference between optimal engine health and catastrophic failure. The Longacre...LON52-46744- SKU:
- LON52-46744
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
$177.99 -
Longacre Waterproof SMI Fuel Pressure Gauge 0-100psi 52-46743
LONGACRE
$219.99Accurate fuel pressure monitoring is critical for tuning and troubleshooting fuel system performance, especially during high-demand racing conditions. The Longacre Waterproof SMI Fuel Pressure Gauge...LON52-46743- SKU:
- LON52-46743
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
$219.99Qty in Cart: 0Quantity:Price:$219.99Subtotal: -
Longacre Waterproof SMI Fuel Pressure Gauge 0-15psi 52-46742
LONGACRE
$219.99Accurate fuel pressure monitoring is critical to engine tuning and diagnostics—whether you're chasing peak performance on the dyno or troubleshooting a street build. The Longacre Waterproof SMI Fuel...LON52-46742- SKU:
- LON52-46742
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
$219.99 -
Longacre Waterproof SMI Oil Pressure Gauge 52-46741
LONGACRE
$219.99Real-time oil pressure monitoring is critical for engine longevity and performance diagnostics—especially under high-load racing conditions where pressure fluctuations can signal developing problems...LON52-46741- SKU:
- LON52-46741
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
$219.99 -
Longacre Temp Gauge Fitting 52-46150
LONGACRE
$11.99Integrating a quality temperature gauge into your cooling system requires the right adapter—one that won't leak, won't restrict flow, and will last through countless heat cycles. The Longacre Temp...LON52-46150- SKU:
- LON52-46150
- Availability:
- Ships Same Business Day
- Weight:
- 0.09 LBS
$11.99 -
Longacre Battery Disc. Switch HD 4 Post Weatherproof 52-45792
LONGACRE
$71.99A battery disconnect switch is essential safety equipment for any racing vehicle or high-performance build. In the event of an accident, electrical fire, or emergency shutdown, this switch allows you...LON52-45792- SKU:
- LON52-45792
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
$71.99 -
Longacre Battery Cable Ends 52-45660
LONGACRE
$7.99Reliable battery connections are non-negotiable in racing and high-performance applications where voltage drop directly impacts ignition timing, fuel delivery, and overall engine performance. The...LON52-45660- SKU:
- LON52-45660
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$7.99 -
Longacre Silicone Switch Cover 52-45300
LONGACRE
$8.99Exposed toggle switches on your race car are vulnerable to moisture, dirt, and accidental activation—all of which can compromise electrical reliability during critical moments on track. The Longacre...LON52-45300- SKU:
- LON52-45300
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
$8.99 -
Longacre Bottle Brake Bleeder Kit Single 52-45202
LONGACRE
$19.99Brake bleeding is one of those tasks that's infinitely easier with the right tool in your corner. The Longacre Bottle Brake Bleeder Kit eliminates the mess and guesswork of traditional two-person...LON52-45202- SKU:
- LON52-45202
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
$19.99Qty in Cart: 0Quantity:Price:$19.99Subtotal: -
Longacre Waterproof LED 4 Gauge Panel OP/WT/OT/FP 52-44666
LONGACRE
$564.99Real-time engine diagnostics are non-negotiable in competitive racing and high-performance driving. The Longacre Waterproof LED 4 Gauge Panel gives you simultaneous monitoring of fuel pressure, oil...LON52-44666- SKU:
- LON52-44666
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
$564.99 -
Longacre Waterproof LED 3 Gauge Panel OP/WT/FP 52-44662
LONGACRE
$449.99Real-time engine diagnostics are non-negotiable in high-performance racing and serious tuning work. The Longacre Waterproof LED 3 Gauge Panel consolidates three critical parameters—oil pressure, fuel...LON52-44662- SKU:
- LON52-44662
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
$449.99 -
Longacre Waterproof LED 2 Gauge Panel OP/WT 52-44660
LONGACRE
$315.99Real-time oil pressure and water temperature monitoring are non-negotiable for serious racers and high-performance builds. This Longacre panel eliminates guesswork by delivering accurate digital...LON52-44660- SKU:
- LON52-44660
- Availability:
- Ships Same Business Day
- Weight:
- 2.30 LBS
$315.99 -
Longacre Waterproof SMI 4 Gauge Panel W/Tach OP/WT/OT/FP 52-44577
LONGACRE
$839.99Real-time engine diagnostics are non-negotiable on the track or in the shop—and this Longacre waterproof gauge panel delivers exactly what you need without the guesswork. A single, integrated display...LON52-44577- SKU:
- LON52-44577
- Availability:
- Ships Same Business Day
- Weight:
- 3.50 LBS
$839.99 -
Longacre Waterproof SMI 3 Gauge Panel W/Tach OP/WT/FP 52-44574
LONGACRE
$714.99Real-time engine diagnostics are non-negotiable in high-performance racing and serious track work. The Longacre Waterproof SMI 3 Gauge Panel consolidates four critical parameters—oil pressure, fuel...LON52-44574- SKU:
- LON52-44574
- Availability:
- Ships Same Business Day
- Weight:
- 3.00 LBS
$714.99 -
Longacre Waterproof SMI 3 Gauge Panel W/Tach OP/WT/OT 52-44573
LONGACRE
$684.99Real-time engine monitoring is non-negotiable in racing and high-performance driving. The Longacre Waterproof SMI 3 Gauge Panel gives you simultaneous visibility into four critical parameters—oil...LON52-44573- SKU:
- LON52-44573
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
$684.99Qty in Cart: 0Quantity:Price:$684.99Subtotal: -
Longacre Waterproof SMI 2 Gauge Panel W/Tach OP/WT 52-44572
LONGACRE
$401.99Real-time engine diagnostics are non-negotiable in high-performance racing and track applications. This Longacre waterproof gauge panel gives you simultaneous monitoring of oil pressure, engine...LON52-44572- SKU:
- LON52-44572
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
$401.99 -
Longacre Waterproof SMI 4 Gauge Panel OP/WT/OT/FP 52-44566
LONGACRE
$664.99Real-time engine diagnostics are non-negotiable in competitive racing and serious performance builds. The Longacre Waterproof SMI 4 Gauge Panel gives you simultaneous monitoring of fuel pressure, oil...LON52-44566- SKU:
- LON52-44566
- Availability:
- Ships Same Business Day
- Weight:
- 2.70 LBS
$664.99Qty in Cart: 0Quantity:Price:$664.99Subtotal: -
Longacre Waterproof SMI 3 Gauge Panel OP/WT/FP 52-44562
LONGACRE
$544.99Real-time engine monitoring is non-negotiable in high-performance racing—you need accurate fuel pressure, oil pressure, and coolant temperature data to prevent catastrophic failures and optimize...LON52-44562- SKU:
- LON52-44562
- Availability:
- Ships Same Business Day
- Weight:
- 2.20 LBS
$544.99Qty in Cart: 0Quantity:Price:$544.99Subtotal: -
Longacre Waterproof SMI 3 Gauge Panel OP/WT/OT 52-44561
LONGACRE
$396.99Real-time engine monitoring is non-negotiable in high-performance racing and demanding driving conditions. The Longacre Waterproof SMI 3 Gauge Panel gives you critical data at a glance—oil pressure,...LON52-44561- SKU:
- LON52-44561
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
$396.99 -
Longacre Tach Shock Mounting Bracket 5in 52-44411
LONGACRE
$19.99A quality tachometer bracket is essential for reliable gauge visibility during high-performance driving, where accurate RPM monitoring directly impacts shift timing and engine management. The...LON52-44411- SKU:
- LON52-44411
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
$19.99 -
Longacre SMI Tach Warning LT and LED BKLT 4-1/2in 52-44384
LONGACRE
$206.99Accurate engine monitoring is non-negotiable in high-performance racing and serious street applications. The Longacre SMI Tach Warning delivers real-time RPM data with AccuTech precision, while...LON52-44384- SKU:
- LON52-44384
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
$206.99 -
Longacre Vertical Pressure Gauges GM Metric 52-44147
LONGACRE
$126.99Accurate brake pressure monitoring is essential for tuning your braking system and diagnosing performance issues during development and track testing. The Longacre dual gauge setup gives you...LON52-44147- SKU:
- LON52-44147
- Availability:
- Ships Same Business Day
- Weight:
- 1.30 LBS
$126.99 -
Longacre Manifold Firewall Mount for SMI Pressure Senders 52-43541
LONGACRE
$29.99If you're running multiple pressure transducers on your engine bay or fuel system, you need a manifold that won't leak and won't compromise your readings. The Longacre 52-43541 consolidates your SMI...LON52-43541- SKU:
- LON52-43541
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$29.99 -
Longacre Firewall 1 Sensor Mount for SMI Pressure Gauges 52-43540
LONGACRE
$24.99Clean, reliable pressure readings depend on proper sensor placement—and this Longacre firewall mount delivers exactly that. By securing your SMI pressure gauge sensor at the firewall junction, you...LON52-43540- SKU:
- LON52-43540
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
$24.99 -
Longacre Replacement Red Pilot Light 52-42300
LONGACRE
$14.99Replacing a burnt-out pilot light on your Longacre gauge panel compromises your ability to monitor critical engine data during competition or testing. This OEM replacement light restores full...LON52-42300- SKU:
- LON52-42300
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
$14.99Qty in Cart: 0Quantity:Price:$14.99Subtotal: -
Longacre Magnetic Drain Plug 3/8in NPT 52-33320
LONGACRE
$11.99Metal shavings and ferrous debris circulating through your engine oil accelerate wear on critical components—a magnetic drain plug captures these contaminants before they cause damage. By switching...LON52-33320- SKU:
- LON52-33320
- Availability:
- Ships Same Business Day
- Weight:
- 0.09 LBS
$11.99 -
Longacre Carburetor Bushings (2) 52-32707
LONGACRE
$12.99Worn throttle linkage bushings introduce slop and inconsistency into your carburetor's response, undermining precision tuning and throttle control. These Longacre aluminum bushings eliminate play at...LON52-32707- SKU:
- LON52-32707
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
$12.99 -
Longacre Throttle Spring 2 Pack 52-32500
LONGACRE
$11.99A reliable throttle return spring is critical for consistent throttle response and driver safety—any lag or hesitation can cost you time on the track or create dangerous conditions on the road. The...LON52-32500- SKU:
- LON52-32500
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$11.99 -
Longacre 10in Spoiler Brace 52-23780
LONGACRE
$51.99Spoiler braces are critical for maintaining aerodynamic stability at high speeds—flex or misalignment in your wing costs you lap time and downforce consistency. The Longacre 10in Spoiler Brace...LON52-23780- SKU:
- LON52-23780
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
$51.99 -
Longacre Bolt On Panel Mount 1-3/4in. Bar 52-22783
LONGACRE
$65.99When you're building a race-ready cockpit, cable routing and switch placement demand precision and reliability. The Longacre bolt-on panel mount gives you a secure, adjustable foundation for your...LON52-22783- SKU:
- LON52-22783
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
$65.99 -
Longacre Universal Bracket Short 1-1/2in. Bar 52-22757
LONGACRE
$24.99The Longacre Universal Bracket Short is an essential accessory for securing instruments, lights, and auxiliary equipment to your roll bar without permanent modification. This clamp-on design allows...LON52-22757- SKU:
- LON52-22757
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
$24.99 -
Longacre Universal Bracket Short 1-3/4in. Bar 52-22755
LONGACRE
$24.99Roll bar configurations demand secure, reliable mounting points for auxiliary equipment—whether you're running lights, cameras, or additional safety gear. The Longacre Universal Bracket Short...LON52-22755- SKU:
- LON52-22755
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$24.99 -
Longacre Shifter Knob Alum 3/8in-16 52-22601
LONGACRE
$40.99A quality shifter knob is often overlooked, but it's one of the few components you interact with on every gear change. The Longacre billet aluminum knob delivers a substantial, precision-machined...LON52-22601- SKU:
- LON52-22601
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
$40.99 -
Longacre Billet Coil Over Wrench 52-22589
LONGACRE
$55.99Coil-over suspension work demands precision tools that won't slip or round off your adjustment hardware. The Longacre Billet Coil Over Wrench is purpose-built to grip spring perches securely, letting...LON52-22589- SKU:
- LON52-22589
- Availability:
- Ships Same Business Day
- Weight:
- 0.53 LBS
$55.99 -
Longacre Steering Wheel Hook 1-1/2in 52-22577
LONGACRE
$22.99A reliable steering wheel hook keeps your hands exactly where they need to be during high-speed cornering, weight transfer, and emergency maneuvers. This Longacre clamp-on design bolts directly to...LON52-22577- SKU:
- LON52-22577
- Availability:
- Ships Same Business Day
- Weight:
- 0.14 LBS
$22.99
