Vibrant Performance Straight Reducer Silicone Tubing Coupler - 4 in to 4-1/2 in ID - 3 in Long - Black AA0700AF1T60 is a highly modified rack

is a highly modified rack & pinion: it has been internally shortened

2000 / 7000 RPM

For details on this system and the installation of the 18671 into your Corvette

1965-1981 Chevrolet Corvette

1965-1966 GMC I1500

Vibrant Performance Straight Reducer Silicone Tubing Coupler - 4 in to 4-1/2 in ID - 3 in Long - Black AA0700AF1T60 is a highly modified rackVibrant Performance Aramid Reinforced Silicone Transition Hose Couplers feature a smooth and effective transition from one inlet diameter size to another. This coupler is intended for use in applications where a reduction or increase in diameter is needed. Our Transition Hose couplers are commonly found off of turbo compressor housings, intercooler end tanks and charge pipe assemblies. Rated for temperatures ranging from 65 degreesF to 350 degreesF