Action Clutch Chromoly lightweight flywheel for 1986–1988 Mazda RX-7 1.3L (13B-RE) Turbo, including counterweight versions, reduces rotational mass to improve throttle response and engine feel for street and track duty. Heat-treated chromoly construction has been tested to 18,000 RPM for durability and offers high thermal capacity; it is resurfacable to prolong service life. Expect potential NVH increases with reduced mass.
Action Clutch 86-88 Mazda RX-7 1.3L (13B-RE) Turbo Chromoly Lightweight Flywheel