ISO Rivolta Air Intakes

The Edelbrock #12371 kit includes the primary fuel bowl gasket, the primary metering block gasket, the secondary metering block gasket and a metering plate gasket. The Edelbrock #12371 fits Holley 4160 carburetors.

Product Features:

• Nitrile Rubber Material
• Metering Block Type
• Set of 4
• Fits Holley® 4160 Carburetors
• Made In The USA

Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:

• Meets or exceeds all original equipment specifications
• Application specific design to ensure a perfect fit
• Unsurpassed quality you can trust
• Validated for fit, form and function
• Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes

Product Features:

• The Edelbrock Accelerator Pump Diaphragm 30cc Gasoline #12400 for 4150 Carburetors Proper installation is the responsibility of the installer.
• Improper installation will void your warranty and may result in poor performance and engine or vehicle damage

The Edelbrock 94 #12457 Carburetor Jets .057″Intended for tuning the Edelbrock 94 carburetor, but will also fit original Holly 94’s and its later variations. Jets sold in pairs.

Product Features:

• 57 Maximum Jet Size
• 0.056 in. Orifice Diameter
• 1/14-32 in. Thread Size
• Standard Main Jet Type
• Set of 2

The Edelbrock 94 #12456 Carburetor Jets .056″ Intended for tuning the Edelbrock 94 carburetor, but will also fit original Holly 94’s and its later variations. Jets sold in pairs.

Product Features:

• 56 Maximum Jet Size
• 0.055 in. Orifice Diameter
• 1/14-32 in. Thread Size
• Standard Main Jet Type
• Set of 2

Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:

• Meets or exceeds all original equipment specifications
• Application specific, providing unsurpassed quality for a seal you can trust
• Validated for fit, form, and function
• Engineered for the sealing repair environment
• Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes

Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:

• Meets or exceeds all original equipment specifications
• Application specific design to ensure a perfect fit
• Engineered for the sealing repair environment
• Unsurpassed quality you can trust
• Validated for fit, form, and function

Product Features:

• The Edelbrock #12645 Single Stage 5.5 Hg Power Valve operates by using engine vacuum to control the opening and closing rate.
• During heavy load or under full power situations, they open to supply additional fuel to the main system to eliminate hesitation and bogging, ensuring the smooth delivery of power without any drivability concerns.

The Edelbrock #12635 Single Stage 3.5 Hg Power Valve operates by using engine vacuum to control the opening and closing rate. During heavy load or under full power situations, they open to supply additional fuel to the main system to eliminate hesitation

Product Features:

• Gasket Or Seal Included
• 3.5 in. Hg Opening Vacuum
• Single Stage
• Standard Flow Type
• Made In The USA

The Edelbrock #12412 Vacuum Secondary Spring Kit includes 7 springs that will fit on Holley 4150, 4150HP, 4160 series and various Demon Carburetors.

Product Features:

• Steel Material
• For Holley® 4150, 4150HP, 4160; Demon King, Mighty, Race, Road, Sea, Speed; Barry Grant Claw
• Includes Lightest To Heavy
• Set of 7
• Made in The USA

Product Features:

• The Edelbrock #12602 Adjustable Inlet Needle and Seat assembly will fit Carburetors with center hung fuel bowls and can be used as replacements or performance upgrades.
• Kit includes one locking screw, two gaskets and one O-ring. For use with Holley 2300, 4150, 4160, 4165, 4175 and 4500 Series, Quick Fuel 4500, Professional Series and Q-Series, as well as various Demon Carburetors.

The Edelbrock #12605 Non-Adjustable Inlet Needle and Seat assembly will fit carburetors with center hung fuel bowls and can be used as replacements or performance upgrades. Kit includes one locking screw, two gaskets and one O-ring. For use with Holley 23

Product Features:

• Center Hung Floats
• 0.11 in. Needle Diameter
• Viton® Needle Material
• Sold Individually
• Non-Adjustable Type

Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:

• Meets or exceeds all original equipment specifications
• Application specific design to ensure a perfect fit
• Unsurpassed quality you can trust
• Validated for fit, form and function
• Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes

Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:

• Meets or exceeds all original equipment specifications
• Application specific design to ensure a perfect fit
• Validated for fit, form, and function
• Engineered for the sealing repair environment
• Unsurpassed quality you can trust

Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:

• Meets or exceeds all original equipment specifications
• Application specific design to ensure a perfect fit
• Validated for fit, form, and function
• Engineered for the sealing repair environment
• Unsurpassed quality you can trust

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

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 Edelbrock #12605 Hardware Kit will fit carburetors with center hung fuel bowls and can be used as replacements or performance upgrades. Kit includes one locking screw, two gaskets and one O-ring. For use with Holley 2300, 4150, 4160, 4165, 4175 and 45

Product Features:

• Fits Holley® Carburetors With Center Hung Fuel Bowl
• Includes Adjusting Nut
• Includes Locking Screw
• Includes O-Ring
• Includes Washers

Product Features:

• The Edelbrock #12750 4160 Carburetor rebuild kit is for Holley, Demon and Quick Fuel Carburetors.
• The kit comes with the necessary components to rebuild a 4160 style Carburetor.

Product Features:

• The Edelbrock #12760 4150 Carburetor rebuild kit is for Holley, Demon and Quick Fuel Carburetors.
• The kit comes with the necessary components to rebuild a 4150 style Carburetor.