Porsche 356 912 base shim for machine-in 102-90 and 102-91 Nickies cylinders, copper .030", set of 4 pcs. Also fits Mahle Motorsports PP91-001N, PP91-002N, and PP91-003N piston and cylinder kits.
Porsche 356 912 base shim for 102-90 Nickies, copper .030", set of 4 pcs