Spoon Sports Rigid Collar - Subaru Dias Wagon S321N, S331N - Front Haltech After testing many different D16

After testing many different D16 SOHC VTEC camshafts over the years

During our testing

Superior foam control maintains hydraulic efficiency and clutch responsiveness

the Exoracing composite gaskets are a reliable

Soarer JZZ30 and JZA70 Supra

Spoon Sports Rigid Collar - Subaru Dias Wagon S321N, S331N - Front Haltech After testing many different D16Developed 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