Chevrolet GP3500 Parts

Holley engineers have taken the state-of-the-art Gen 3 Ultra carburetors and created a budget friendly version that is perfect for street/strip applications as well as all out bracket or sportsman drag cars. The new Holley SP Dominator carburetors feature the patent pending Gen 3 main-body which is 5/16″ taller than the previous generation! This new height allowed for larger radius air entries to deliver smoother flow that equates to improved throttle response and consistency. An extended air cleaner flange is incorporated for easy air scoop attachment when using the available air scoop adapter. Other features include all aluminum construction, tunable billet metering blocks, throttle position sensor mounting points and knurled (hand adjustable) curb idle screws. Each calibration has been dyno and track tested to deliver proven performance!

Product Features:

• All Aluminum Construction Saves 3.8 lbs. Over Original Models
• 28% Weight Savings
• Shiny With Billet Aluminum Metering Block and Black Hardware
• Calibrations Optimized For Todays Race Engines and New Fuels
• Fully Machined From Venturi Throat To Throttle Bore For Perf
• Annular Booster Deliver Excellent Signal and Throttle Response
• Screw In Air Bleeds Offer Precise Tuning Capabilities
• Metering Blocks Feature Improved True Gasket Sealing
• Dual 50CC Accelerator Pumps Fuel From Idle To Full Throttle
• 4 Corner Idle Allows You To Precisely Control Your Idle System
• Clear Sight Windows On Fuel Inlet Side For Fuel Level Adjustment
• Notched Float and Jet Extension Are Factory Installed

The Gen 3 utilizes high capacity fuel bowls which feature 20% more fuel capacity to eliminate starvation, integrated fuel shelf to minimize fuel aeration and internal baffling to control fuel slosh. Other features include all aluminum construction, 12 hole billet booster inserts, fully tunable billet metering blocks, adjustable external linkage, throttle position sensor mounting points and knurled (hand adjustable) curb idle screws Each calibration has been dyno and track tested to deliver proven performance!

Product Features:

• All Aluminum Construction Saves 3.8 lbs. Over Original Models
• 28% Weight Savings
• Calibrations For Todays Larger Race Engines and New Fuels
• Fully Machined From Venturi Throat To Throttle Bore
• Integrated Idle Bypass Valve Allows For Adjustment Of Idle
• 12 Hole Billet Booster Superior Atomization/Throttle Response
• Metering Blocks Feature Improved True Gasket Sealing
• Dual 50CC Accelerator Pumps Fuel From Idle To Full Throttle
• Fuel Bowl Provides 20% More Fuel Capacity Controls Slosh
• Clear Sight Windows On Sides Of Bowl For Fuel Level Adjustments
• Drain Plug On Bowl Provides Easy Access To Empty Bowl
• Contoured Hex Head Squirter Screws For Streamlined Airflow

Holley engineers have taken the state-of-the-art Gen 3 Ultra carburetors and created a budget friendly version that is perfect for street/strip applications as well as all out bracket or sportsman drag cars. The new Holley SP Dominator carburetors feature the patent pending Gen 3 main-body which is 5/16″ taller than the previous generation! This new height allowed for larger radius air entries to deliver smoother flow that equates to improved throttle response and consistency. An extended air cleaner flange is incorporated for easy air scoop attachment when using the available air scoop adapter. Other features include all aluminum construction, tunable billet metering blocks, throttle position sensor mounting points and knurled (hand adjustable) curb idle screws. Each calibration has been dyno and track tested to deliver proven performance!

Product Features:

• All Aluminum Construction Saves 3.8 lbs. Over Original Models
• 28% Weight Savings
• Shiny With Billet Aluminum Metering Block and Black Hardware
• Calibrations Optimized For Todays Race Engines and New Fuels
• Fully Machined From Venturi Throat To Throttle Bore For Perf
• Annular Booster Deliver Excellent Signal and Throttle Response
• Screw In Air Bleeds Offer Precise Tuning Capabilities
• Metering Blocks Feature Improved True Gasket Sealing
• Dual 50CC Accelerator Pumps Fuel From Idle To Full Throttle
• 4 Corner Idle Allows You To Precisely Control Your Idle System
• Clear Sight Windows On Fuel Inlet Side For Fuel Level Adjustment
• Notched Float and Jet Extension Are Factory Installed

The Gen 3 utilizes high capacity fuel bowls which feature 20% more fuel capacity to eliminate starvation, integrated fuel shelf to minimize fuel aeration and internal baffling to control fuel slosh. Other features include all aluminum construction, 12 hole billet booster inserts, fully tunable billet metering blocks, adjustable external linkage, throttle position sensor mounting points and knurled (hand adjustable) curb idle screws Each calibration has been dyno and track tested to deliver proven performance!

Product Features:

• All Aluminum Construction Saves 3.8 lbs. Over Original Models
• 28% Weight Savings
• Calibrations For Todays Larger Race Engines and New Fuels
• Fully Machined From Venturi Throat To Throttle Bore
• Integrated Idle Bypass Valve Allows For Adjustment Of Idle
• 12 Hole Billet Booster Superior Atomization/Throttle Response
• Metering Blocks Feature Improved True Gasket Sealing
• Dual 50CC Accelerator Pumps Fuel From Idle To Full Throttle
• Fuel Bowl Provides 20% More Fuel Capacity Controls Slosh
• Clear Sight Windows On Sides Of Bowl For Fuel Level Adjustments
• Drain Plug On Bowl Provides Easy Access To Empty Bowl
• Contoured Hex Head Squirter Screws For Streamlined Airflow

4150 ALUM DP 750 CFM ELECTRIC CHOKE

Xtreme Performance – Holley Ultra XP(TM) Circle Track Carburetors! Ultra XP carbs are 38% lighter than our original HP, have fuel capacity that is 20% greater and 30 other new features! They’re available in our Hard Core Gray(TM) hard coat anodized finish with Black(TM) billet for improved corrosion protection & also available in natural tumble-polished aluminum with Black(TM) metering blocks and base plate. The Aluminum Ultra XP Cirlce Tracks are available in 650 & 750 CFM’s. Holley Ultra XP carburetors are Specifically Calibrated for Circle Track & offer new features such as anti-siphon valve in the main body; high capacity HP bowls which feature 20% more fuel capacity to eliminate starvation, integrated fuel shelf to minimize fuel aeration and internal baffling to control fuel slosh. Other features include all aluminum construction, fully tunable billet metering blocks, billet base plate, wedge floats, adjustable secondary linkage and knurled (hand adjustable) curb idle screws. Holley Ultra XP carburetors are the ultimate in square bore race carburetors!

Product Features:

• Aluminum Construction
• Saves 4.5 Pounds 38% Weight Savings
• Contoured Venturi Inlet Balances Airflow For Increased hp
• Air Bleeds Moved Outward For Smoother Transition Of Airflow
• Metering Blocks/True Gasket Sealing/Fully Adjustable
• Idle Bypass Valve Eliminates Holes In Throttle Plates
• Dual 30CC Accelerator Pumps Fuel From Idle To Full Throttle
• Fuel Bowls Provide 20% More Fuel Capacity Controls Slosh
• Clear Sight Windows On Both Sides Of Bowls For Safe Fuel Level
• Drain Plug On Bowl Provides Easy Access To Empty Bowl
• 8AN O-Ringed Inlet Threads Offer A Variety Of Plumbing Options
• 4 Corner Idle Allows You To Precisely Control Your Idle System

The Gen 3 utilizes high capacity fuel bowls which feature 20% more fuel capacity to eliminate starvation, integrated fuel shelf to minimize fuel aeration and internal baffling to control fuel slosh. Other features include all aluminum construction, 12 hole billet booster inserts, fully tunable billet metering blocks, adjustable external linkage, throttle position sensor mounting points and knurled (hand adjustable) curb idle screws Each calibration has been dyno and track tested to deliver proven performance!

Product Features:

• All Aluminum Construction Saves 3.8 lbs. Over Original Models
• 28% Weight Savings
• Calibrations For Todays Larger Race Engines and New Fuels
• Fully Machined From Venturi Throat To Throttle Bore
• Integrated Idle Bypass Valve Allows For Adjustment Of Idle
• 12 Hole Billet Booster Superior Atomization/Throttle Response
• Metering Blocks Feature Improved True Gasket Sealing
• Dual 50CC Accelerator Pumps Fuel From Idle To Full Throttle
• Fuel Bowl Provides 20% More Fuel Capacity Controls Slosh
• Clear Sight Windows On Sides Of Bowl For Fuel Level Adjustments
• Drain Plug On Bowl Provides Easy Access To Empty Bowl
• Contoured Hex Head Squirter Screws For Streamlined Airflow

Xtreme Performance – Holley Ultra XP(TM) Circle Track Carburetors! Ultra XP carbs are 38% lighter than our original HP, have fuel capacity that is 20% greater and 30 other new features! They’re available in our Hard Core Gray(TM) hard coat anodized finish with Black(TM) billet for improved corrosion protection & also available in natural tumble-polished aluminum with Black(TM) metering blocks and base plate. The Aluminum Ultra XP Cirlce Tracks are available in 650 & 750 CFM’s. Holley Ultra XP carburetors are Specifically Calibrated for Circle Track & offer new features such as anti-siphon valve in the main body; high capacity HP bowls which feature 20% more fuel capacity to eliminate starvation, integrated fuel shelf to minimize fuel aeration and internal baffling to control fuel slosh. Other features include all aluminum construction, fully tunable billet metering blocks, billet base plate, wedge floats, adjustable secondary linkage and knurled (hand adjustable) curb idle screws. Holley Ultra XP carburetors are the ultimate in square bore race carburetors!

Product Features:

• Aluminum Construction
• Saves 4.5 Pounds 38% Weight Savings
• Contoured Venturi Inlet Balances Airflow For Increased hp
• Air Bleeds Moved Outward For Smoother Transition Of Airflow
• Metering Blocks/True Gasket Sealing/Fully Adjustable
• Idle Bypass Valve Eliminates Holes In Throttle Plates
• Dual 30CC Accelerator Pumps Fuel From Idle To Full Throttle
• Fuel Bowls Provide 20% More Fuel Capacity Controls Slosh
• Clear Sight Windows On Both Sides Of Bowls For Safe Fuel Level
• Drain Plug On Bowl Provides Easy Access To Empty Bowl
• 8AN O-Ringed Inlet Threads Offer A Variety Of Plumbing Options
• 4 Corner Idle Allows You To Precisely Control Your Idle System

Holley Double Pumper(R) carburetors are a perfect performance upgrade for hot street cars and race vehicles. Double Pumper carburetors are an American icon when it comes to performance carburetors. From their roots as the premier carburetor on many factory muscle cars to powering thousands of vehicles across the finish line, the Double Pumper is a great choice whether you are burning up the street or the quarter mile.

Product Features:

• Metering Blocks Base Plate For Good Looks True Gasket Sealing
• Optimized Street/Strip Calibration That Works Out Of The Box
• Factory Preset Electric Choke For Easy Startups
• Mechanical Secondaries For Awesome Tire Turning Performance
• 4 Corner Idle Allows You To Precisely Control Your Idle System
• Clear Fuel Level Sight Glass No Mess Fuel Level Adjustments
• Aluminum Construction For A 43% Weight Savings
• Lightweight Vehicles w/Auto Trans w/High Stall/Low Gearing
• 100% Wet Flow Tested By Holley Technicians
• Arrives Ready To Run

Holley Double Pumper(R) carburetors are a perfect performance upgrade for hot street cars and race vehicles. Double Pumper carburetors are an American icon when it comes to performance carburetors. From their roots as the premier carburetor on many factory muscle cars to powering thousands of vehicles across the finish line, the Double Pumper is a great choice whether you are burning up the street or the quarter mile.

Product Features:

• Metering Blocks Base Plate For Good Looks True Gasket Sealing
• Optimized Street/Strip Calibration That Works Out Of The Box
• Factory Preset Electric Choke For Easy Startups
• Mechanical Secondaries For Awesome Tire Turning Performance
• 4 Corner Idle Allows You To Precisely Control Your Idle System
• Clear Fuel Level Sight Glass No Mess Fuel Level Adjustments
• Aluminum Construction For A 43% Weight Savings
• Lightweight Vehicles w/Auto Trans w/High Stall/Low Gearing
• 100% Wet Flow Tested By Holley Technicians
• Arrives Ready To Run

The Ultra Double Pumper Carburetors feature all aluminum construction and are equipped with metering blocks and a base plate made from 6061-T6 billet aluminum. Three different anodized color options (Red, Blue, or Black) allow for a personalized look while maintaining the ultra high strength and durability you get from billet. They weigh in at approximately 5 lbs less than a comparable zinc carburetor. The new Ultra Double Pumper Carburetors have an enhanced fuel curve for optimum performance, with many more features such as aluminum construction; anodized billet aluminum metering blocks and base plate; 4 corner idle for precise idle control; mechanical secondaries for great performance; clear fuel level sight plugs for easy, no mess fuel level adjustments; Ford automatic transmission kickdown for use on popular Ford transmissions; four vacuum ports for all necessary vacuum accessories; and for the first time on a Double Pumper, factory pre-set electric choke for easy, fast cold start-ups. The clean, polished look coupled with Red, Blue, or Black metering blocks and throttle body will certainly set your ride apart whether you are at the show or track. Dont trust your performance to just anyone, Holley is the only Modular carburetor company that has been in business for over 100 years and has powered every NASCAR champion since the 60s.

Product Features:

• Gold Dichromate Finish For Corrosion Resistance w/Classic Look
• Optimized Street/Strip Calibration That Works Out Of The Box
• Manual Choke For Precise Cold Start Control
• Mechanical Secondaries For Awesome Tire Turning Performance
• 4 Corner Idle Allows You To Precisely Control Your Idle System
• Dual Accelerator Pumps For Add. Fuel Under Initial Acceleration
• Dual Feed Fuel Inlets For Constant High Volume Fuel Delivery
• Lightweight Vehicles w/Auto Trans w/High Stall/Low Gearing

4150 Race Carbs

Varying manifold and carburetor combinations. Suits engines air and fuel requirements. High quality Edelbrock intake gasket set. Includes gasgacinch gasket sealer. All necessary hardware included. Resists discoloration from heat. Available in cast, polished or endurashine finish.

Product Features:

• Based on Performer RPM-Series with Unique Air Gap
• Convert From Single To Dual-Quad Intake
• Produces Incredible Top-End Horsepower
• Edelbrock Total Power Package Maximizes Gains

Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.

Product Features:

• Transmission cooler reinstallation kit
• Contains part numbers 248001, 226201, 240250 and 4 hose clamps
• Provides all hardware for reinstallation of Imperial transmission coolers
• Contains nylon mounting rods, foam pads, locking buttons, hose and fitting
• Made of high grade nylon for easy installation
• Removable buttons for cooler/fan relocation
• Made for both transmission coolers and electric fan installation
• Comes with Quick Connect coupler

Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.

Product Features:

• Transmission line fitting kit
• GM, Jeep; 5/8″-18 inverted flare
• Helps simplify transmission cooler installation
• Allows for auxiliary transmission cooler installation without cutting OE lines
• Crafted from high-quality material that makes it durable and longer-lasting
• A high quality, direct fit OE replacement
• Easily connects the transmission cooler line to the cooler hose
• Coated for extra protection against corrosion
• Crafted from high-quality material that makes it durable and longer-lasting
• A high quality, direct fit OE replacement
• Easily connects the transmission cooler line to the cooler hose
• Coated for extra protection against corrosion

Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.

Product Features:

• Imperial high-performance transmission cooler
• Size: 3/4″ x 7-1/2″ x 12-1/2″
• SAE 45-degree fittings for maximum reliability
• Electrostatic powder-coated to prevent corrosion
• SAE 45 degree fittings for maximum reliability
• Electrostatically powder coated to prevent corrosion
• All aluminum lightweight construction
• SAE 45 degree fittings for maximum reliability
• Electrostatically powder coated to prevent corrosion
• All aluminum lightweight construction

Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.

Product Features:

• Imperial Econo-Kool tube and fin transmission cooler
• Size: 3/4″ x 10″ x 15-7/8″
• Class “A” motor homes, large travel trailers, 5th-wheel trailers
• GVWR up to 26,000 lbs.; towing up to 10,000 lbs.
• Compatible with OEM cooler systems
• Ultrasonically soldered for reliability
• 100% pressure testing to 150 PSI for quality assurance
• High efficiency turbulators
• Compatible with OEM cooler systems
• Ultrasonically soldered for reliability
• 100% pressure testing to 150 PSI for quality assurance
• High efficiency turbulators

Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.

Product Features:

• Imperial high-performance transmission cooler
• Size: 3/4″ x 10″ x 15-7/8″
• SAE 45-degree fittings for maximum reliability
• Electrostatic powder-coated to prevent corrosion
• SAE 45 degree fittings for maximum reliability
• Electrostatically powder coated to prevent corrosion
• All aluminum lightweight construction
• SAE 45 degree fittings for maximum reliability
• Electrostatically powder coated to prevent corrosion
• All aluminum lightweight construction

Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.

Product Features:

• Imperial Econo-Kool tube and fin transmission cooler
• Size: 3/4″ x 5″ x 15-7/8″
• Compact and mid-size cars
• GVWR up to 16,000 lbs.; towing up to 2,500 lbs.
• Compatible with OEM cooler systems
• Ultrasonically soldered for reliability
• 100% pressure testing to 150 PSI for quality assurance
• High efficiency turbulators
• Compatible with OEM cooler systems
• Ultrasonically soldered for reliability
• 100% pressure testing to 150 PSI for quality assurance
• High efficiency turbulators

Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.

Product Features:

• Imperial high-performance transmission cooler
• Size: 3/4″ x 7-1/2″ x 15-7/8″
• SAE 45-degree fittings for maximum reliability
• Electrostatic powder-coated to prevent corrosion
• Up to Class C motorhomes, towing up to 5,000 pounds
• SAE 45 degree fittings for maximum reliability
• Electrostatically powder coated to prevent corrosion
• All aluminum lightweight construction

The Imperial Maxi-Cool XL’s plate and fin design offer excellent cooling efficiency in a compact, space-efficient design.

Product Features:

• Imperial Rapid-Cool plate and fin transmission cooler
• Size: 3/4″ x 11″ x 9-1/2″
• Pickup trucks and vans, class “C” motor homes, travel trailers to 24′
• GVWR up to 24,000 lbs.; towing up to 5,000 lbs.
• 33% more efficient than a comparable tube and fin design
• Compatible with OEM cooler systems
• Made with the highest quality materials
• 100% pressure testing to 150 PSI for quality assurance
• 33% more efficient than a comparable tube and fin design

Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.

Product Features:

• Mid-size and full-size cars, pickups
• GVWR up to 18,000 lbs.; towing up to 3,500 lbs
• Compatible with OEM cooler systems
• Ultrasonically soldered for reliability
• 100% pressure testing to 150 PSI for quality assurance
• High efficiency turbulators
• Compatible with OEM cooler systems
• Ultrasonically soldered for reliability
• 100% pressure testing to 150 PSI for quality assurance
• High efficiency turbulators

The Imperial Maxi-Cool XL’s plate and fin design offer excellent cooling efficiency in a compact, space-efficient design.

Product Features:

• Imperial Rapid-Cool plate and fin transmission cooler
• Size: 3/4″ x 11″ x 6″
• Sub-compact to compact cars
• GVWR up to 18,000 lbs.
• Compatible with OEM cooler systems
• Compatible with OEM cooler systems
• Ultrasonically soldered for reliability
• 100% pressure testing to 150 PSI for quality assurance
• High efficiency turbulators

The Imperial Maxi-Cool XL’s plate and fin design offer excellent cooling efficiency in a compact, space-efficient design.

Product Features:

• Class “A” motor homes, large travel trailers, 5th-wheel trailers
• GVWR up to 30,000 lbs.; towing up to 10,000 lbs.
• Compatible with OEM cooler systems
• 33% more efficient than a comparable tube and fin design

Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.

Product Features:

• Imperial Econo-Kool tube and fin transmission cooler
• Size: 3/4″ x 5″ x 12-1/2″
• Sub-compact to compact cars
• GVWR up to 12,000 lbs.
• Compatible with OEM cooler systems
• Ultrasonically soldered for reliability
• 100% pressure testing to 150 PSI for quality assurance
• High efficiency turbulators
• Compatible with OEM cooler systems
• Ultrasonically soldered for reliability
• 100% pressure testing to 150 PSI for quality assurance
• High efficiency turbulators

Product Features:

• Imperial Maxi-Cool« plate and fin transmission cooler
• Size: 3/4″ x 11″ x 7-1/2″
• Mid-size and full-size cars, pickups
• GVWR up to 20,000 lbs.; towing up to 2,500 lbs.
• Compatible with OEM cooler systems
• Made with the highest quality materials
• 100% pressure testing to 150 PSI for quality assurance
• 33% more efficient than a comparable tube and fin design

Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.

Product Features:

• Imperial Econo-Kool tube and fin transmission cooler
• Size: 3/4″ x 7-1/2″ x 15-7/8″
• Pickup trucks and vans, class “C” motor homes, travel trailers to 24′
• GVWR up to 22,000 lbs.; towing up to 5,000 lbs.
• Compatible with OEM cooler systems
• Ultrasonically soldered for reliability
• 100% pressure testing to 150 PSI for quality assurance
• High efficiency turbulators
• Compatible with OEM cooler systems
• Ultrasonically soldered for reliability
• 100% pressure testing to 150 PSI for quality assurance
• High efficiency turbulators