FOR SALE: Rebuilt Mazda RX-7 13B Turbo Bridge Port Motor (Series 5 Update) – Block Only

Freshly rebuilt genuine Mazda Series 5 13B turbo engine, never started and still wrapped in plastic aside from brief removal for photos. This bridge-ported large dowel motor features front and rear plates matching the rarer Series 6 configuration and is built with all new race apex seals, new corner seals and springs, and a new water retention kit. An early-model Series 4/5 front cover is currently fitted, with the correct Series 4/5 cover available if preferred. A high-quality, performance-focused rotary build ready for serious street or track