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Tapered Piston Ring CompressorFits 85
5 +30 / +38 / +47 (Mid concave)18x9
Made from A356 aluminium castings with fully CNC’d ports and combustion chambers
2mm in one smooth and easy motion
Steel Chrome Finish"
ARP fasteners Single Head / Main Stud ARAM4.550-LB Bodykits Tapered Piston Ring CompressorFits 85Single Head Main Stud10mm X 2. 0 Thread X 4. 550" OAL (10mm X 1. 25 Nut Side) Brand: ARP Part Number: ARAM4. 550 LB Description: It is for good reason that virtually every top professional engine builder relies on ARP Pro Series head studs for their all out competition powerplants. Simply stated, there's not a better stud setup on the market today. For openers, ARP only uses premium grade 8740 alloy and a proprietary ARP2000 alloy that are rated far
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