Square Bore To Spread Bore Carburetor Adapter

• Spacer is 3/4" thick

This aluminum carburetor adapter allows an inexpensive method to mount a performance style square bore carburetor to an original equipment spread bore style intake manifold. Gaskets included.

Stainless Steel Bolt Kits - Carburetor Stud Kit

• 5/16" thread
• 1-3/4" long

We offer a full selection of manifold bolt kits to fit most popular marine engines.  These kits come complete with the correct number of bolts and studs.

4245471 - QJET CARBURETOR, 695 CFM, ELECTRIC CHOKE, COMES WITH MERCRUISER MARINE LINKAGE, (MEETS U.S. COAST GUARD REQUIREMENTS)

Designed with precision engineering and cutting-edge features such as our lean/rich adjustment, our carburetor is poised to transform your vehicle’s performance to new heights. 

Crafted with top-grade materials and engineered to perfection, our carburetors are built to withstand the harshest driving conditions. Our Quadrajet® carburetors are all new, with parts that you can trust to keep your engine running smoothly, mile after mile.  It’s also assembled and run tested right here in the USA!

Our new Rochester Quadrajet carburetors are manufactured with all new components. In addition to our new Rochester Quadrajet® carburetors, we also offer  two new marine carburetors. These carburetors are also manufactured with all new components.  They are a great upgrade from stock GM marine carburetors and are also equipped with our industry first lean/rich adjustment allowing 15% +/- main circuit adjustment to allow for precise tuning with ease.  Our carburetors are compatible with Mercruiser Marine throttle linkages.  Available in 650 CFM and 695 CFM and meets U.S. coast guard requirements. 

• All - New, not rebuilt or remanufactured

• 650 & 695 CFM
• Industry first Lean/Rich adjustment allowing up to 15% +/- main circuit adjustment
• Universal replacement for most GM marine 
• applications
• Includes most required vacuum ports
• Complete with a one wire electric choke
• Meets US Coast Guard requirements
• Locally assembled and run-tested, with all 
• gaskets, metering rods, jets and air bleeds made in the USA. 

Carburetor Adapter

6-71 Or 8-71, Dual (High Profile) Mounts Two 600-850 Holleys, Or Carter/Edelbrock Style Carburetors, Inline Position Only. Center to center on the carburetors are 12.562". Carburetor adapter is 2.625" thick from blower mounting surface to carburetor mounting surface.

Carburetor Adaptor

6-71 Or 8-71, Dual (High Profile) Mounts Two Holley Dominator Carburetors, Inline Or Sideways Position (12 13/16" C-C)

Billet Dual Carburetor Adaptor - Side Saddle

Square Flange Open Center Carburetor Base Gasket - Fits Holley 4150/4160 & Edelbrock

These are our most popular carburetor base gaskets.

600 CFM, Square Flange, Electric Choke, Marine

• 5-1/8" flame arrestor flange
• metering jets: primary .098, secondary .101
• metering rods: .068 x .047
• Step-up spring: orange (5" Hg)
• 3/8" inverted flare fuel inlet fitting

For use in marine applications with Edelbrock Performer manifolds and others of similar design. Complies with U.S. Coast Guard safety standards. Cast surfaces are irradiated with Teflon coated shafts and pump arm for maximum protection. Other features include modified bowl venting, specially designed throttle shafts, accelerator pump seal, 3/8" inverted flare fuel inlet fitting,tube in air horn for fuel pump vent, 5-1/8" flame arrestor flange, universal throttle lever and a revised secondary system for improved transient performance. Comes with the following: metering jets: primary .098, secondary.101; metering rods: .068 x .047 Step-up spring: orange (5" Hg).

750 CFM, Square Flange, Electric Choke, Marine

For use in marine applications with Edelbrock Performer RPM and Torker IImanifolds and others of similar design. Complies with U.S. Coast Guard safetystandards. Cast surfaces are irradiated with Teflon coated shafts and pump armfor maximum protection. Other features include modified bowl venting, speciallydesigned throttle shafts, accelerator pump seal, 3/8" inverted flare fuel inletfitting, tube in air horn for fuel pump vent, 5-1/8" flame arrestor flange,universal throttle lever and a revised secondary system for improved transientperformance. Comes with the following: metering jets: primary .113, secondary.107; metering rods: .071 x .047 Step-up spring: orange (5" Hg).

Standard 5/16" diameter, 4 pieces

The best way to make sure that carburetors stay perfectly sealed to the intake manifold is through the use of ARP's carburetor studs, which features J-form threads to resist loosening from vibration. They're offered in a variety of heights to accommodate most any combination of carburetor and space.