Spoon Sports Rigid Collar - Nissan Skyline ECR33, ER34 - Rear Fujitsubo it uses pre-preg carbon fiber

it uses pre-preg carbon fiber with no fiberglass

fast flow of air to the turbos

it's designed using sophisticated CAD/CAM software

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It allows for a Defi type sensor to be installed to monitor either oil temperature or oil pressure

Spoon Sports Rigid Collar - Nissan Skyline ECR33, ER34 - Rear Fujitsubo it uses pre-preg carbon fiberDeveloped by Spoon Sports, the Japanese Honda tuning specialists, Rigid Collars are precision machined aluminium rings that lock your subframe to the chassis. Factories drill the subframe bolt holes oversized so components drop in fast on the production line, and that clearance stays for the life of the car. It leaves the subframe sitting a fraction off centre, dulling steering response and letting vibration through the floor. Fit a set and the bolts