Mazda RX2, RX3, RX4, RX7 and Cosmo power pulley for the 12A and 13B
Mazda RX2, RX3, RX4, RX7 and Cosmo power pulley for the 12A and 13B, same size as the OEM but lighter and made of T-6061 aircraft grade aluminum, anodized in black or clear/aluminum. Each pulley has 4 timing marks 10 ATDC, 0, 10 BTC, 20 BTC, and is proudly made in the USA