Spoon Sports Rigid Collar - Subaru R1 RJ1, RJ2 - Rear Engine Mounts TC-4 has side cut only

TC-4 has side cut only on the crotch of the spokes and their outer ends for maximum strength by the strength analysis without spoiling the advantage of the light weight

poor conformability

This paper element offers excellent filtration and is edged by a supple rubber seal

This bearing gives a crisp

Spoon Sports Rigid Collar - Subaru R1 RJ1, RJ2 - Rear Engine Mounts TC-4 has side cut onlyDeveloped 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