RZR ARP Main Stud Kit rzr 050 248°/244° Valve Lift (1:1)

050 248°/244° Valve Lift (1:1)

Engineered for drag race performance

Due to high lobe lift

Includes EN40B billet stroker crank (73

The meticulous blueprinting process guarantees that every aspect of the head is finely tuned and precisely calibrated

RZR ARP Main Stud Kit rzr 050 248°/244° Valve Lift (1:1)AR8790 Polaris XP Turbo (16 up) XP 1000 (14 up) ARP Case Stud Kit ***NOTE: Must have linebored main journals and oversize King main bearings (BC4900) to use these case studs otherwise housing bore distortion will occur and crankshaft will not rotate.*** If using on a stock RZR crankcase, recommend AR8791 case bolts. Made from ARP2000 material and rated to 220,000 psi, ARP case stud kits not only offer superior clamp loads over stock, torque to yield