4-1/4” to 3-7/8” Reducer:
This coupling features a 17° angle and is designed to connect to tubes with a 4-1/4” and 3-7/8” diameter. It’s commonly used on aFe POWER cold air intake systems, but can be used for a variety of projects.
Its silicone construction features two layers of polyester reinforcement, making it extremely durable and less prone to deformation, tearing, and other damage, than average couplings.
Stainless Steel Clamps:
Two corrosion-resistant stainless-steel worm clamps (#064 & #072) are included, providing a secure seal for virtually any application.
Not for use on pressurized side of supercharged or turbocharged applications.
Direct Replacement for P/N 05-01420.
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