ARP 3.760" Tapered Ring Compressor 1346008 AFR has revived their popular

AFR has revived their popular 220cc powerhouse due to overwhelming request from customers for a larger bolt on standard valve location head

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Center Bolt

Acura B-Series

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ARP 3.760" Tapered Ring Compressor 1346008 AFR has revived their popularARP'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