Spoon Sports Rigid Collar - Nissan Skyline 400R RV37 - Front SuperPro 180sx RS13 / RPS13

180sx RS13 / RPS13

There are two mounting methods

Engineers obsess over every detail looking for the slightest advantage to shave fractions of a second off of lap times

or reducing damage to a syncro sleeve or the dog teeth on the gear itself is worth it alone

11-20 ft-lbs

Spoon Sports Rigid Collar - Nissan Skyline 400R RV37 - Front SuperPro 180sx RS13 / RPS13Developed 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