Retno Phenolic Insulator Carburetor Riser – 44 IDA / IDF

Upgrade your carburetor installation with the Retno Phenolic Insulator Carburetor Riser, designed to provide a precise fit while helping reduce heat transfer from the intake manifold to the carburetor. Precision-machined for performance and reliability, this insulator features dual O-ring grooves—one on each side—for an improved seal and dependable operation.

Engineered specifically for 44 IDA and 44 IDF carburetors, this riser features a 44 mm internal diameter and a 0.475" (12.06 mm) thickness, making it an excellent choice for performance engines, vintage race cars, restorations, and custom applications.

Features

• Precision-machined phenolic carburetor insulator/riser
• Compatible with 44 IDA and 44 IDF carburetors
• 44 mm internal diameter
• 0.475" (12.06 mm) thick
• Dual O-ring grooves (one on each side) for enhanced sealing
• Helps reduce heat transfer from the intake manifold to the carburetor
• Ideal for racing, restoration, and high-performance street applications

Specifications

• Product: Phenolic Insulator Carburetor Riser
• Brand: Retno
• Thickness: 0.475" (12.06 mm)
• Internal Diameter: 44 mm
• O-Ring Grooves: Two (one on each side)
• Compatibility: 44 IDA and 44 IDF carburetors
• Quantity: 1