Page 26 of Buick Performance Parts Catalog by TA Performance

High Performance Series bolts are available in the small hex head design or 12 point, both of which (in most cases) allows for head re-torquing without removing the valve train. High Performance Series Bolts are 175,000 psi (which is 15% stronger than Grade 8), kits come complete with hardened parallel-ground washers. Part Nos. TA V1128 Stage 1, `77-`85, High Performance, Hex Head................... 32.00 TA V1128A Stage 1, `77-`85, High Performance, 12-Point Head ............ 35.00 TA V1128C `86-87, Grand National,High Performance, Hex Head ........ 34.00 TA V1128D `86-87, Grand National,High Performance, 12-Point Head . 35.00 Professional Series bolts are cold-forged to ensure molecular integrity and are heat treated prior to thread rolling and machining, and are rated at 190,000 psi. Professional Series bolts are available with 12 point heads and come with hardened and parallel-ground washers to ensure even load distribution and accurate torque readings. Part Nos. TA V1128B Stage 1, `77-`85, Pro Series, 12-Point Head ........................ 83.00 TA V1128E `86-87, Grand National,Pro Series, 12-Point Head ............ 65.00 TA V1128F Stage II, Pro Series, 12-Point Head .................................... $155.00 TA V1128G Champion Heads with Stage II Block, Pro Series, 12-Point Head ............ $115.00 We recommend using main studs over bolts for most performance build ups for several key reasons. First, because studs provide more accurate torque readings because studs do not have to twist into the cylinder block threads, thus all clamping forces are on one axis. Second, because the threads in the block will be under less stress, and because studs will not have to be removed every time during disassebly, the life of the threads in the block will be improved greatly. And lastly, studs on race engines will aid in quicker tear downs and easier reassembly because the studs will locate the caps more accurately than bolts. V6 Main Stud Kits Part Nos. TA V1119 TA V3800 Aluminum Cylinder Block, 6 bolt caps .................. $200.00 TA V1121 Stage I 2, 2 Bolt Mains ...................................................... 50.00 TA V1121A Stage II, 4 Bolt Mains, no windage tray ................................ 99.00 TA V1121B Stage II, 4 Bolt Mains, with splayed cap bolts ...................... 99.00 V6 Head Bolt Kits HARDWARE FASTENERS 480-922-6807 Order and Tech Line www.TAPERFORMANCE.com TA Performance Products, Inc. 26 We offer head bolt kits for most V6 applications. Two levels of performance are available, High Performance Series and Professional Series. TA V1128C TA V1121 GOT TORQUE? Got Torque? is a registered trademark of TA Performance R

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