ARP 3.740" Tapered Ring Compressor Helmet Vent 1974-1974 Nissan 260Z

1974-1974 Nissan 260Z

GP3 Carbon

75 in OD Countersunk Washers / Nuts

Sturdy composite storage case protects and holds up to 8 sets of quick change gears

Specially designed to mount a GM Metric D154 series caliper with 5-1/2" bolt spacing to axle tube when using a 11-3/4" diameter brake rotor

ARP 3.740" Tapered Ring Compressor Helmet Vent 1974-1974 Nissan 260ZARP's ring compressors are CNC machined from 6061 T6 billet tube material and feature a true radius for each different bore diameter. What's more, they are relieved for wire O rings on bottom. Type 3 anodizing is used for long life, and the bore size is prominently engraved in 3 4 in high numbers for easy identification. Standard stocking sizes from 3. 552 in to 4. 750 in (SAE) and 75mm to 95. 5mm (metric). The true radius design is far superior to