K20 gearboxes in particular are well known to become 'notchy' over time
The fully sealed build holds Intake Air Temperatures (IATs) low
flanges and has been hand crafted for your Impreza
This is a unique out of the box solution for all those wishing to tune and upgrade the filter setup on their Triumph Bonneville
Race-proven performance for over 35 years
Spoon Sports Rigid Collar - Honda Civic, HV, e-HEV EF1,EF2,EF3,EF9 - Rear MB844818 K20 gearboxes in particular areDeveloped 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