Page 275 of GM Performance Parts 2006 Catalog by GM Parts Direct

NOTE: LS1/LS6 Corvette Bare Block (rear) D LS Series 6-Bolt Main Cap D LS1/LS6 Corvette Bare Block (side) D 273 Corvette The Corvette engineering group and GM Racing collaborated to develop components proven to improve the durability and performance of production-based 1997-2004 C5 Corvettes in professional Showroom Stock racing. GMPP offers these winning parts in convenient, comprehensive kits to make your Corvettes transformation from street car to racecar simple and straightforward. C5 racing parts are validated for off-road use only and are not intended for street car use. Modification with these parts will void the vehicles warranty. C. 12480062 T1 Suspension Package Developed and approved for SCCA Touring 1 racing, this comprehensive kit dramatically improves the handling of the Corvette. Kit includes front and rear springs, front and rear stabilizer bars, stabilizer bar end links and isolators, upper and lower front A-arms. This kit provides maximum performance when used with the SACHS shock absorbers (see below). 12480094 SACHS Shock Absorber, front Tuned for use with the T1 suspension package (see above). Sold individually. Order two per vehicle. 12480095 SACHS Shock Absorber, rear Tuned for use with the T1 suspension package (see above). Sold individually. Order two per vehicle. Additional components used to provide complete Corvette performance include: 12480071 Camber Plate, large 12480076 Camber Plate, small 15688265 Bolt, lower control arm 11516382 Nut, lower control arm 12480080 C5 Transmission Oil Cooler Kit This kit is intended for cars equipped with the six-speed manual transmission and has been updated for use on Z06 and export-model C5 Corvettes. Kit includes transmission pump, cooler assembly, wiring harness, plumbing kit, filter bracket, thermal switch, brackets and fasteners. D. 12561166 LS1/LS6 Corvette Bare Block Aluminum block (iron sleeves) with 3.98" (99 mm) bores. Used on 2001-2004 LS1 and LS6 Corvette 5.7L engines. 17802854 NEW LS7 7.0L Corvette Bare Block Direct replacement for 2006 7.0L LS7 engine Production 319-T5 aluminum block with iron sleeves Production oiling system 6-bolt dowel located steel main bearing caps 9.240 deck height For use with any LS series head 4.125" finished bore (104.78mm), deck plate honed No provision for Displacement On Demand Based on C5R block development Tested to over 500 hp! LS Series 6-Bolt Main Cap D

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