Supertech Audi 11.045x36.15x 5.98mm Manganese Bronze Intake & Exhaust Valve Guide - Set of 10$88.96 $111.17
Supertech Miata Cam Follower 30mm x 26mm Height x 16mm (Use w/5.5mm Lash Caps) - Set of 8$316.01 $394.90
Supertech Nissan RB25 DOHC NEO 30.65 (+1)x5.96x 97.65mm Inconel Exhaust Valve - Set of 12$423.82 $529.62