Concept Performance LSR Full Metal Jacket Solid Block Standard Deck Single Cross Bolt Aluminum Engine Block

This LSR features single 10mm ARPCross Bolts, 7/16 ARP Main Stud Kit, 1/2 Head Stud Drilling, Priority Main Oiling, 1044 Billet Main Caps, Dura-bond GMP9Cam Bearings, LSR Aluminum Rear Cover, a 1018/1020 Steel Cam Thrust Plate, and the accompanying LSR Hardware Kit. TheLSR has an additional 0.020” left on the deck for final decking and an additional 0.003” left in crankshaft for the builder’sfinal hone. The camshaft and lifter bores are finished, honed and ready for precision bearings and lifters.

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