Bill Smith
Founder, 1929-2014
Speedy Bill
Since 1952
Speedway Motors Logo
America's Oldest Speed Shop ®


Late Carburetor Adapter

SAME DAY SHIPPING! Order within the next 3 hours 39 minutes and receive same day shipping

Material Type:
Overall Height:
Overall Width:
Overall Length:
Sold in Quantity:
Bolt Hole Pattern:
3.250" x 1.875"
Mounts '55-'68 small-base Rochester/Carter carb to an old style Ford 3-bolt intake (for 94's 97's, etc.), or vice versa.
Late Carburetor Adapter

Click image to enlarge



Q & A

What's in the Box

Bolt a newer type 4-bolt carb (3-1/4" x 1-7/8", like Rochester 2GC) to an early 3-bolt manifold. Aluminum casting.

560-5159 Instructions (PDF)

Note: If bolting this adapter to a 3-bolt intake, consider using a slotting drill bit to drill out the three holes which will aid in adjustment and installation of the adapter to the intake.

You may also be interested in:

Three-Bolt Carb Base Gasket
(Part #91011050)
                        Three bolt carburetor base gaskets fit Stromberg 97-style carbs and Holley 94-style carbs.
Three Outlet T-Style Chrome Fuel Block
(Part #5506151)

Speedway fuel blocks provide even fuel distribution for proper fuel flow to multi-carb set-ups. This precision die cast and chrome plated fuel distribution block is designed for three carburetor applications. Fuel log has a single 3/8" NPT fuel inlet with three 1/4" NPT outlets. T-block mounts to your firewall with screws.

Don't forget to order the suggested hose barb fittings to complete your set-up! For a positive seal, use thread sealing tape on the threads.

Lokar TRP-4003 Tri-Power Throttle Cable Bracket and Springs, Stainless
(Part #49104003)

Designed for Rochester Tri-Power. Kit includes stainless steel throttle cable bracket and stainless steel springs. Stainless bracket mounts under rear carburetor on Rochester 3-2 set-up. Cables operate from center carburetor. Stainless bracket and dual stainless springs are used to mount Lokar's throttle cable and kickdown assemblies.

  • For Rochester Tri-Power
  • Includes stainless steel throttle cable bracket and stainless steel springs
  • Mounts under rear carburetor on Rochester 3-2 set-up
  • Cables operate from center carburetor