Aeroflow Billet Bolt Spacers M10 Black AF64-4377BLK 0553-1012 The harden rubber bushings are

The harden rubber bushings are made of high strength and anti-crack rubber materials to limit unwanted powertrain movement and twisting when accelerating and shifting

Racequip Underwear Bottoms aren't just an additional layer

Nissan RB20

which allows maximum air flow onto the radiator in both street and circuit applications

boost and idle control maps (up to 4D)

Aeroflow Billet Bolt Spacers M10 Black AF64-4377BLK 0553-1012 The harden rubber bushings areM10 (3 8") 4 Pack These billet alluminium spacers are perfect for spacing and mounting fabricated parts. They can be welded to the part or just inserted between the part and mounting surface to provide the required clearance. They are supplied in a pack of 4 (2 x 5. 5mm and 2 x 11. 5mm) (2 x 7 32 and 2 x 29 64).