Spoon Sports Rigid Collar - Honda Prelude BB1, BB4, BB5, BB6 - Full Kit APIO +60whp/+22tq gains over the stock

+60whp/+22tq gains over the stock camshaft were found in comparison testing at the same boost level on a typical turbo D16Z6 Vitara build setup

while also helping to prevent the shock absorber bolts from working loose under stressful situations

A simple 100 Micron Universal Fuel Filter with -6AN fittings on each side

superior wear protection

Spoon Sports Rigid Collar - Honda Prelude BB1, BB4, BB5, BB6 - Full Kit APIO +60whp/+22tq gains over the stockDeveloped 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