HOLLEY
Holley Carburetors, Intake Manifolds, and Performance Parts at JJ Motorsports
Holley, founded in 1903 by the Holley brothers in the USA, has established itself as a global leader in automotive performance, specializing in high-quality carburetors, fuel systems, intake manifolds, and engine components for racing and street applications. With a commitment to innovation and durability, Holley products are engineered to maximize power, efficiency, and reliability while withstanding extreme conditions.
At JJ Motorsports, we offer a comprehensive range of Holley products tailored for enthusiasts and professionals. Upgrade your engine's airflow with the precision-built single plane intake manifold for GM LS3/L92 heads, or enhance fuel delivery using the classic 650 CFM HP carburetor with a double pumper design. For track-focused builds, consider the robust 750 CFM Track Warrior carburetor in black, and protect your valves with stylish options like the GM LS1 valve cover set in black krinkle finish. Whether you're optimizing for competitive racing or everyday performance, Holley provides trusted solutions compatible with various engine types. Explore our inventory to equip your vehicle with top-tier components.
Key features of Holley products include advanced engineering for optimal fuel atomization, corrosion-resistant materials for longevity, customizable setups for carbureted or EFI systems, and designs that improve horsepower and torque. Shop now and unleash your engine's full potential with Holley!
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- Qty in Cart
- Quantity
- Price
- Subtotal
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Holley Holley 2-Barrel 500 CFM 4412 Rebuild Kit HLY37-474
HOLLEY
$99.99If your Holley 2300 carburetor is showing signs of wear—hesitation, rough idle, or fuel delivery inconsistencies—a complete rebuild kit restores it to factory specifications without the cost of...HLY37-474- SKU:
- HLY37-474
- Availability:
- Usually ships within 24 hours
- Weight:
- 1.00 LBS
$99.99 -
Holley Performance Renew Kit 37-485
HOLLEY
$62.24A Holley 4150 carburetor is only as good as its internal components—fuel varnish, worn seals, and degraded gaskets will rob you of reliable performance and consistent jetting every time you hit the...HLY37-485- SKU:
- HLY37-485
- Availability:
- Ships Same Business Day
- Weight:
- 0.61 LBS
- MFG Part #:
- 37-485
$62.24 -
Holley Alcohol Jet Assortment 36-201
HOLLEY
$170.95Fine-tuning your alcohol-fed Holley carburetor requires precision jetting to dial in the optimal fuel-air mixture for your specific engine combination and track conditions. This comprehensive...HLY36-201- SKU:
- HLY36-201
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
- MFG Part #:
- 36-201
$170.95 -
Holley Jet Assortment 36-181
HOLLEY
$91.75Fine-tuning your Holley carburetor's air-fuel mixture is critical to extracting maximum performance and fuel efficiency. This assortment gives you the complete range of jets you need to dial in your...HLY36-181- SKU:
- HLY36-181
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- MFG Part #:
- 36-181
$91.75 -
Holley Alcohol Diaphragm 135-9
HOLLEY
$27.24A worn or failed accelerator pump diaphragm kills carburetor response and throttle consistency—especially critical when you're running alcohol fuel and demand reliability at the track. The Holley...HLY135-9- SKU:
- HLY135-9
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
- MFG Part #:
- 135-9
$27.24 -
Holley Power Valve 125-55
HOLLEY
$17.06Carburetor tuning demands precision, and the Holley Power Valve 125-55 delivers exactly that. This single-stage valve maintains optimal fuel mixture across your engine's RPM range, preventing...HLY125-55- SKU:
- HLY125-55
- Availability:
- Ships Same Business Day
- Weight:
- 0.07 LBS
- MFG Part #:
- 125-55
$17.06 -
Holley Pump Discharge Nozzle 121-135
HOLLEY
$23.17A properly functioning accelerator pump is critical for consistent throttle response and reliable engine startup across all driving conditions. The Holley 121-135 Pump Discharge Nozzle is engineered...HLY121-135- SKU:
- HLY121-135
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- MFG Part #:
- 121-135
$23.17 -
Holley Carburetor - 750CFM Track Warrior Black 0-67200BK
HOLLEY
$782.95Built for serious track applications, the Holley 750CFM Track Warrior delivers the airflow and response your engine demands without compromise. The mechanical secondary design eliminates hesitation...HLY0-67200BK- SKU:
- HLY0-67200BK
- Availability:
- Ships Same Business Day
- Weight:
- 9.20 LBS
- MFG Part #:
- 0-67200BK
$782.95 -
Holley Intake Manifold - Single Plane GM LS3/L92 Heads 300-291BK
HOLLEY
$700.95If you're running LS3 or L92 heads and want to maximize intake velocity and throttle response, a single-plane manifold is non-negotiable for high-RPM performance. The Holley 300-291BK delivers...HLY300-291BK- SKU:
- HLY300-291BK
- Availability:
- Ships Same Business Day
- Weight:
- 20.00 LBS
$700.95 -
Holley Intake Manifold - Single Plane GM LS3/L92 Heads 300-291
HOLLEY
$607.95The Holley 300-291 single-plane intake manifold is engineered for maximum performance on naturally aspirated LS3 and L92 builds where every horsepower counts. A single-plane design delivers superior...HLY300-291- SKU:
- HLY300-291
- Availability:
- Ships Same Business Day
- Weight:
- 20.00 LBS
$607.95 -
Holley 0-15 Psi Fuel Press Gaug 26-504
HOLLEY
$93.55Accurate fuel pressure monitoring is critical for carburetor tuning, fuel system diagnostics, and ensuring your engine runs at peak efficiency. The Holley 0-15 PSI gauge provides reliable, real-time...HLY26-504- SKU:
- HLY26-504
- Availability:
- Ships Same Business Day
- Weight:
- 0.22 LBS
$93.55Qty in Cart: 0Quantity:Price:$93.55Subtotal: -
Holley 0-15 Fuel Pressure Gauge 26-500
HOLLEY
$53.96Accurate fuel pressure monitoring is essential for carburetor tuning, fuel system diagnostics, and ensuring your engine runs at peak performance. The Holley 0-15 Fuel Pressure Gauge gives you...HLY26-500- SKU:
- HLY26-500
- Availability:
- Ships Same Business Day
- Weight:
- 0.17 LBS
$53.96Qty in Cart: 0Quantity:Price:$53.96Subtotal: -
Holley 8an Carb Inlet Fitting Long Style - Black 26-153-1
HOLLEY
$30.45If you're running fuel lines on your Holley carb setup, a quality inlet fitting is non-negotiable for preventing leaks and maintaining fuel delivery consistency. This long-style 8 AN fitting gives...HLY26-153-1- SKU:
- HLY26-153-1
- Availability:
- Ships Same Business Day
- Weight:
- 0.09 LBS
$30.45 -
Holley Alm Fill Cap Kit w/Alm Weld Bung 241-228
HOLLEY
$53.90A quality fuel cell filler cap assembly is essential for any serious racing or performance fuel system—it prevents fuel sloshing, maintains system integrity under high G-forces, and eliminates...HLY241-228- SKU:
- HLY241-228
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
$53.90 -
Holley Alm Fuel Cell Cap & Bung w/12 Bolt Flange 241-227
HOLLEY
$167.35A quality fuel cell cap assembly is critical for maintaining system integrity under racing conditions—pressure spikes, vibration, and thermal cycling demand a cap that seals reliably and stays put...HLY241-227- SKU:
- HLY241-227
- Availability:
- Ships Same Business Day
- Weight:
- 1.57 LBS
$167.35 -
Holley Carb Metering Block - for 0-80541-1 134-68
HOLLEY
$224.95The metering block is the fuel delivery brain of your Holley 4150 carburetor—get this wrong, and your air-fuel ratio suffers, your engine stumbles, and you leave performance on the table. This OEM...HLY134-68- SKU:
- HLY134-68
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
$224.95 -
Holley 750 HP Alm Main Body 134-300SA
HOLLEY
$257.35If you're running a Holley 4-barrel carb on your engine, this HP conversion main body unlocks genuine performance gains without replacing your entire carburetor. The 750 CFM rating delivers improved...HLY134-300SA- SKU:
- HLY134-300SA
- Availability:
- Ships Same Business Day
- Weight:
- 2.80 LBS
$257.35Qty in Cart: 0Quantity:Price:$257.35Subtotal: -
Holley Holley Carb Jet Board Billet Alm - Black 122-220
HOLLEY
$53.96Fine-tuning your Holley carburettor's air-fuel mixture requires precision, and this billet aluminium jet board gives you organized access to 48 jets for quick adjustments during tuning or between...HLY122-220- SKU:
- HLY122-220
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
$53.96Qty in Cart: 0Quantity:Price:$53.96Subtotal: -
Holley 650 CFM Classic HP Carb 4150 Double Pumper 0-80541-2
HOLLEY
$999.95The Holley 650 CFM Classic HP Carb delivers the reliable fuel metering and crisp throttle response that serious builders expect from a proven platform. With its mechanical secondary design and...HLY0-80541-2- SKU:
- HLY0-80541-2
- Availability:
- Ships Same Business Day
- Weight:
- 8.00 LBS
$999.95 -
Holley Performance Carburetor 600CFM 4150 Series 0-4776C
HOLLEY
$799.95The Holley 600 CFM 4150 is the go-to carburetor for street and strip applications that demand reliable, consistent fuel delivery without sacrificing tunability. Its mechanical secondary design...HLY0-4776C- SKU:
- HLY0-4776C
- Availability:
- Ships Same Business Day
- Weight:
- 14.49 LBS
$799.95 -
Holley .130in Needle & Seat Assembly - Viton 6-522
HOLLEY
$44.96A worn or damaged fuel inlet needle and seat is one of the most common culprits behind fuel delivery inconsistencies, flooding carburetors, and unpredictable idle quality. The Holley .130in Needle &...HLY6-522- SKU:
- HLY6-522
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
$44.96 -
Holley Carb Rebuid Kit - 2300 Ultra XP 37-1550
HOLLEY
$56.21Your Holley 2300 Ultra XP carb demands precision fuel delivery to maintain peak performance, and worn seals and gaskets are silent performance killers. This OEM-spec rebuild kit restores your...HLY37-1550- SKU:
- HLY37-1550
- Availability:
- Ships Same Business Day
- Weight:
- 0.66 LBS
$56.21 -
Holley Fuel Pressure Regulator By-Pass Style 6psi Black 12-887
HOLLEY
$75.92Maintaining consistent fuel pressure is critical for reliable engine performance, whether you're tuning a carbureted setup or running a classic fuel system. The Holley 12-887 delivers adjustable...HLY12-887- SKU:
- HLY12-887
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
$75.92 -
Holley Main Jets (2) 122-84
HOLLEY
$13.75Precise fuel metering is the foundation of carburetor tuning, and the right jet size makes the difference between a lean stumble and a dialed-in power curve. These Holley main jets deliver consistent...HLY122-84- SKU:
- HLY122-84
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
$13.75 -
Holley Accelerator Discharge Nozzle - Hollow 121-7
HOLLEY
$18.81The accelerator discharge nozzle is a critical component in your Holley carburetor's fuel delivery system, directly affecting throttle response and off-idle performance. A worn or incorrectly sized...HLY121-7- SKU:
- HLY121-7
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
$18.81Qty in Cart: 0Quantity:Price:$18.81Subtotal: -
Holley ACCELERATOR DISCHARGE NOZZLE SCREW - SOLID 121-6
HOLLEY
$21.49The Holley 121-6 discharge nozzle screw is a critical fuel metering component that directly impacts your carburetor's atomization and throttle response. Over time, corrosion and wear compromise the...HLY121-6- SKU:
- HLY121-6
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
$21.49 -
Holley GM LS1 Valve Cover Set Black Krinkle Finish HLY241-91
HOLLEY
$296.95Factory-style valve covers that deliver both form and function—the Holley GM LS1 set provides proper oil circulation management with integrated baffle design while maintaining a clean engine bay...HLY241-91- SKU:
- HLY241-91
- Availability:
- Ships Same Business Day
- Weight:
- 7.30 LBS
- MFG Part #:
- 241-91
$296.95 -
Holley GM LS1 Valve Cover Set - Polished HLY241-90
HOLLEY
$466.95The Holley GM LS1 Valve Cover Set delivers the clean, finished look your engine bay demands while maintaining full functionality with integrated coil mounting bosses and internal baffle design...HLY241-90- SKU:
- HLY241-90
- Availability:
- Ships Same Business Day
- Weight:
- 7.14 LBS
- MFG Part #:
- 241-90
$466.95 -
Holley GM LS1 Valve Cover Set Natural Cast Finish HLY241-88
HOLLEY
$249.95If you're running an LS-series engine, factory valve covers are a liability—they leak, they restrict airflow, and they look dated. The Holley GM LS1 Valve Cover Set delivers proper sealing geometry,...HLY241-88- SKU:
- HLY241-88
- Availability:
- Ships Same Business Day
- Weight:
- 7.15 LBS
- MFG Part #:
- 241-88
$249.95 -
Holley LS Series Valve Covers w/LSX Logo HLY241-407
HOLLEY
$424.95Valve cover quality directly impacts engine bay aesthetics and functional reliability—especially in high-performance LS builds where heat management and oil containment matter. These Holley...HLY241-407- SKU:
- HLY241-407
- Availability:
- Ships Same Business Day
- Weight:
- 5.00 LBS
- MFG Part #:
- 241-407
$424.95 -
Holley LS Series Valve Covers w/Bowtie Chevrolet Logo HLY241-404
HOLLEY
$399.95Proper valve cover design is critical for LS-series engines—it controls crankcase pressure, prevents oil leakage, and supports engine longevity under high-RPM conditions. The Holley LS Series Valve...HLY241-404- SKU:
- HLY241-404
- Availability:
- Ships Same Business Day
- Weight:
- 5.00 LBS
- MFG Part #:
- 241-404
$399.95 -
Holley LS Series Valve Covers w/Bowtie Chevrolet Logo HLY241-402
HOLLEY
$466.95Clean up your LS engine bay with a purpose-built valve cover solution that balances form and function. Holley's tall baffled design minimizes oil carryover while the iconic Bowtie logo makes an...HLY241-402- SKU:
- HLY241-402
- Availability:
- Ships Same Business Day
- Weight:
- 5.00 LBS
- MFG Part #:
- 241-402
$466.95 -
Holley LS Billet Rail Fab. Alm Valve Covers w/Oil Cap HLY241-294
HOLLEY
$295.15Factory valve covers constrain LS engine builds with limited aesthetics and marginal fitment tolerances. The Holley LS Billet Rail Fab. Alm Valve Covers deliver precision-engineered fabricated...HLY241-294- SKU:
- HLY241-294
- Availability:
- Ships Same Business Day
- Weight:
- 6.90 LBS
- MFG Part #:
- 241-294
$295.15 -
Holley Oil Fill Cap GM LS Billet w/O-ring HLY241-225
HOLLEY
$29.92An oil fill cap might seem like a small detail, but a quality replacement ensures a secure seal that prevents contaminants from entering your crankcase while you're pushing your LS engine hard...HLY241-225- SKU:
- HLY241-225
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
- MFG Part #:
- 241-225
$29.92 -
Holley Oil Fill Cap GM LS w/Billet Insert HLY241-224
HOLLEY
$41.92A quality oil fill cap is a small detail that protects your LS engine from contamination and moisture ingress—two threats that can compromise oil quality and engine longevity. This Holley offering...HLY241-224- SKU:
- HLY241-224
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- MFG Part #:
- 241-224
$41.92 -
Holley GM LS Tall Valve Cover Set - Gloss Red HLY241-113
HOLLEY
$320.35Keeping your LS engine bay clean and organized while maintaining proper crankcase ventilation requires valve covers that actually perform. The Holley GM LS Tall Valve Cover Set delivers baffled...HLY241-113- SKU:
- HLY241-113
- Availability:
- Ships Same Business Day
- Weight:
- 8.75 LBS
- MFG Part #:
- 241-113
$320.35Qty in Cart: 0Quantity:Price:$320.35Subtotal: -
Holley GM LS Tall Valve Cover Set - Satin Black HLY241-112
HOLLEY
$305.95If you're running an LS engine, factory valve covers won't cut it once you start upgrading your induction system. The Holley GM LS Tall Valve Cover Set gives you the clearance needed for tall intake...HLY241-112- SKU:
- HLY241-112
- Availability:
- Ships Same Business Day
- Weight:
- 8.75 LBS
- MFG Part #:
- 241-112
$305.95 -
Holley GM LS Tall Valve Cover Set - Polished HLY241-111
HOLLEY
$373.95If you're running an LS-series engine, factory valve covers won't cut it—especially once you add forced induction or custom coil packs. The Holley GM LS Tall Valve Cover Set delivers the clearance...HLY241-111- SKU:
- HLY241-111
- Availability:
- Ships Same Business Day
- Weight:
- 8.75 LBS
- MFG Part #:
- 241-111
$373.95 -
Holley GM LS Tall Valve Cover Set - Natural Cast HLY241-110
HOLLEY
$249.95GM LS engine builds demand proper crankcase ventilation and a clean engine bay aesthetic—these tall valve covers deliver both with internal baffles that manage blow-by effectively while providing...HLY241-110- SKU:
- HLY241-110
- Availability:
- Ships Same Business Day
- Weight:
- 8.80 LBS
- MFG Part #:
- 241-110
$249.95 -
Holley LS Mid-Mount Complete Engine Accessory System HLY20-185
HOLLEY
$2,211.51The Holley LS Mid-Mount Complete Engine Accessory System consolidates all your serpentine drive components into a single, engineered solution designed specifically for LS-series engines. This kit...HLY20-185- SKU:
- HLY20-185
- Availability:
- Ships Same Business Day
- Weight:
- 73.60 LBS
- MFG Part #:
- 20-185
$2,211.51
