Six Port Insert (Pair) and check clearance on shims

and check clearance on shims

Keep your vehicle running smoothly with this essential diagnostic tool

this adapter provides easy access to the oiling system for external lines or gauges

Designed for the 1986-1991 Mazda RX-7 (2nd gen)

Six Port Insert (Pair) and check clearance on shimsUpgrade your rotary engine with our Six Port Insert pair. Designed without a sleeve and featuring an internal lock, these inserts enhance performance by smoothing the powerband and increasing low end power, all without the need for drilling or tapping. Internal Lock: Secures the insert firmly without modifications. Enhanced Performance: Smoother powerband and increased low end power. Sold as a Pair: Includes 2 inserts. Tubes not included. Perfect for