Adam C.
GT40s Sponsor
A rare piece! I've made a short run of the fuel crossover adapters that connect the sponsons to the rubber hose that runs cross-car.
This is the MKIIA 4" variant (MKIIB was 3"). It was also used on Mirage and Gulf.
This is the MKIIA 4" variant (MKIIB was 3"). It was also used on Mirage and Gulf.

MKIIA Fuel Crossover Adapters
Hose adapters mounted to the inboard side of both fuel sponsons. Connect to the 4" fuel crossover hose that runs cross-car below the driver's knees. The RHS is open while the LHS has a flapper to trap fuel in the LH sponson, where the fuel pump pickups are located. Made from measurements...
llamabite.com