This extension uses a sealed ball bearing to allow the pump shaft to run concentric to the fuel pump giving the fuel pump a longer life and has an O-ringed sealing surface to seal against the gear drive cover.
Fits RCD Hemi, 392/417, BBC and KB Olds gear drives. The extension uses the industry standard quick release fuel pump clamp and RBS offers quick release plates for the fuel pump.
Extension length is 5.50" end to end and weights one and half pounds as seen in the pictures. Included is grade eight mounting hardware.