Reducer Coupler, 4.00" I.D. x 3.25" I.D. x 3.00" Long - Black 1992-pontiac-firebird-esi4307584 specifically designed to accommodate a

specifically designed to accommodate a 2-1/2” racing coilover with a double-shear configuration

Compatible with both petroleum and synthetic gear oils

Built from CNC laser cut and CNC formed stainless steel

We recommend the 3056 arm for all racing applications

Reducer Coupler, 4.00" I.D. x 3.25" I.D. x 3.00" Long - Black 1992-pontiac-firebird-esi4307584 specifically designed to accommodate aVibrant Performance Aramid Reinforced Silicone Transition Hose Couplers feature High Temperature Resistant Aramid Reinforcement Fabric between each layer of silicone which allows for an impressive Operating Temperature Range of 75 Degrees F to 392 Degrees F ( 60 Degrees C to 200 Degrees C). Suitable for Water, Coolant and Air service only.