CUSCO 289 290 F20 Roll cage SAFETY 21 (7 point, 2 passenger, through dash) for NISSAN GT-R (R35) ymm_80 The threads are rolled after

The threads are rolled after heat-treating which gives them about 2000% better fatigue strength than most main bolts that are threaded prior to heat-treating

These wheels are manufactured as center lock wheels for Porsche 991

Certified to JAF (Japanese Automobile Federation) standards

Rear -67 to -25

CUSCO 289 290 F20 Roll cage SAFETY 21 (7 point, 2 passenger, through dash) for NISSAN GT-R (R35) ymm_80 The threads are rolled afterThe rollcage drastically improves chassis rigidity, improving handling, steering response and overall feedback. Cages also improve safety in case of an accident, especially in high speed situations such as racing competition. Made from cold drawn seamless carbon steel Variations of types that correspond widely to JAF competition regulations Pursuing weight reduction from the entire roll cage to joints High rigidity with bending processing that clears