Block / Rotating Assembly

  • Oil Bypass Valve

    GM Oil Bypass Valve is a simple piece to remove and replace when you have a block cleaned for a rebuild.  


  • Forged 3500 LX9 Pistons

    We have been working with Diamond to offer a piston designed for our engines, with perfectly cut valve reliefs to allow for more radical cams without concern of piston to valve contact.  Stock pistons tend to see the exhaust valve "kiss" the pistons on aggressive lobes used in max effort setups. D…


  • ARP 60V6 PM Connecting Rod Bolts

    Upgraded connecting rod bolts for the 3.5l LX9, 3.5 / 3.9 VVT, and 3.6 DOHC engines.


  • ARP Oil Pan Side Bolts

    The cast aluminum oil pan on 1994 and newer 60V6 engines was designed to improve the integrity of the bottom end.  These ARP bolts are the best fastener available for this function, and complement the ARP main studs and rod bolts for a complete ARP fastened bottom end.


  • ARP 3x00 / 3.4 DOHC Main Stud Kit

    Strengthen your bottom end with our ARP Main Stud Kit.  Kit includes washers, studs, nuts, and ARP moly lube.  Long enough for use with a windage tray.  Windage Tray holes will need to be opened up to 7/16" to fit the stud.  Main caps may require line bored/honed when using studs, though from ou…


  • Performance Cam Bearings

    These SBC cam bearings are a direct replacement, and will spread the load across the entire cam journal, unlike the stock bearings.  Bi metal to support the roller cam profile and  the load of higher spring pressure associated with performance cams.  Regular SBC cam bearings are not designed for…


  • 60V6 Tri-Metal Main Bearings

    Performance Tri Metal Main Bearings for the 60V6 engines starting in 1985/86.  Older 2.8s use a smaller main journal which is not suitable for performance applications.


  • ARP Crank Damper Bolt

    As the crankshaft flexes, the damper absorbs incredible amounts of energy. This damper bolt kit from ARP will ensure that your balancer is locked into position. They feature a 1/4 in. thick wide-area washer and an extra tall 12-point head that accepts a deep socket to eliminate the fear of strippin…


  • ARP Flywheel/Flex Plate Bolts

    These premium-grade Pro series flywheel/  flexplate bolts from ARP are forged from aerospace alloy and heat-treated prior to thread rolling and machining. They feature an exclusive, flat 12-point head design and a larger-than-stock shank diameter for increased strength and improved register. …


  • ARP Torque Converter Bolts

    ARP torque converter to flexplate bolts.  Sold in sets of 3.


  • Stock 3x00 Valve Stem Seals

    Stock replacement viton seat/seal combination for all Gen 3 engines.  1994-1999 3100 and 3400 use the .520 OD guide seal.  All 2000 and newer 3100, 3400, and 3500 use the .553 OD guide seal.  Please specify which set you need in the options above.


  • ARP M11 x 1.50 Thread Chaser

    A thread chaser will clean out threaded holes without removing material.  We use these on our blocks and heads before assembly to create the ideal clamping force from consistent torque measurements.