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Offenhauser 6269 Carb Adapter for Holley 2300 Carbs to stock “Iron Duke” Intake Manifold. This adapter gives flexibility to carburetion for the “Iron Duke” GM 151 CID Engine. It adapts the Holley Model 2300 (350-500 CFM) carbs to the stock “Iron Duke” Intake Manifold. Stands about 2 1/4″ high. No provisions to EGR. All necessary hardware included.
The Offenhauser 6286 Adapter Plate mounts to your standard 4150 Holley or AFB / Edelbrock bolt pattern. Recessed mounting holes allow you to rotate your standard 4150 Holley or AFB / Edelbrock bolt pattern 90 Degrees. Adapter Plate adds 1/2″ height and includes mounting hardware. 5775 gasket Included.
The Offenhauser 6286-90 Adapter Plate mounts to AFB / Edelbrock and Holley 4150 flanges.
Includes:
Run a Holley 2300 two-barrel on any square-bore four-barrel intake. A full 2″ of hi-rise, a base drilled for both the AFB/Edelbrock and Holley
patterns.
• 5775 gasket
• 4 × double-end stud, 5/16″-18 × 5/16″-24 × 1-1/2″
• 4 × hex nut, 5/16″-24
• 4 × flat washer, 5/16″
The Offenhauser 8101-90 1″ Carb Spacer allows for adequate clearance of your carb arms, levers, and various kick down linkages. Recommended for use with Dual Port manifold 6284.
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