Page 170 of GM Performance Parts 2006 Catalog by GM Parts Direct

168 PISTONS AND PISTON RINGS GM Performance Parts pistons are premium quality and stand up to the rigors of high-performance street and competition use. Theyre factory tested, so you know youre getting the right parts for your engine. Pistons are sold individually unless otherwise specified. Available in standard and oversize diameters. Wrist pins included with all pistons. SMALL-BLOCK PISTONS Part Engine Compression Head Size Pin Technical Notes Number Size Chamber Type Ratio Volume 93422884 350 8.5:1 76 cc Standard Pressed 290 hp 350 10181389 350 9.8:1 58 cc Standard Pressed 5.7L HO; second design with ZZ1, 2, 3 ID; hypereutectic aluminum 10181390 350 9.8:1 58 cc Standard Pressed 5.7L HO; second design with ZZ1, 2, 3 ID; hypereutectic aluminum high limit aluminum 10181392 350 9.8:1 58 cc +0.030 Pressed 5.7L HO; second design with ZZ1, 2, 3 ID; hypereutectic aluminum 10159436 350 10:1 58 cc Standard Pressed 5.7L HO, ZZ4 and LT1; high silicon aluminum 10159437 350 10:1 58 cc Standard Pressed 5.7L HO, ZZ4 and LT1; high silicon aluminum 9.6:1 62 cc high limit 10159438 350 10:1 58 cc +0.030 Pressed 5.7L HO, ZZ4 and LT1; high silicon aluminum 9.6:1 62 cc 12371059 350 10:1 58 cc Standard Pressed Kit containing 8 of P/N 10159437 9.6:1 62 cc high limit 12371060 350 10:1 58 cc +0.030 Pressed Kit containing 8 of P/N 10159438 9.6:1 62 cc 12514101 350 9.1:1 64 cc Standard Pressed 350-cid 300 hp 330 hp service engine with "SP" ID 12514102 350 9.1:1 64 cc +0.001 Pressed 350-cid 300 hp 330 hp service engine with "SP" ID 12514103 350 9.1:1 64 cc +0.030 Pressed 350-cid 300 hp 330 hp service engine with "SP" ID 12489437 383 9.1:1 64 cc Standard Pressed 383 crate engine, first design 12497879 383 9.1:1 64 cc +0.030 Pressed 383 crate engine, first design 88962542 383 9.1:1 64 cc* Standard Pressed 383 engine, second design 9.7:1 62 cc* 88962748 383 9.1:1 64 cc* +0.005 Pressed 383 engine, second design 9.7:1 62 cc* 88962749 383 9.1:1 64 cc* +0.030 Pressed 383 engine, second design 9.7:1 62 cc* 12499103 383 9.1:1 64 cc* +0.005 Pressed Kit containing 8 of P/N 88962748 9.7:1 62 cc* 12499104 383 9.1:1 64 cc* +0.030 Pressed Kit containing 8 of P/N 88962749 9.7:1 62 cc* *Compression ratio based on .028" thick head gasket. SMALL-BLOCK PISTON RINGS Part Bore size Oversize Ring Description Number Thicknesses 3995667 4.000 +.030" 1/16, 1/16, 3/16" For 302/327, 350 and select aftermarket 383 engines 366289 4.000 - 1/16, 1/16, 3/16" Racing piston pack for heavy duty pistons 366291 4.000 +.030" 1/16, 1/16, 3/16" Racing piston pack for heavy duty pistons 88894219 4.000 - 5/64, 5/64, 3/16" Standard size , production style rings for 350HO and ZZ-series (except ZZ4) engines 14089026 4.000 +.030" 5/64, 5/64, 3/16" Standard size , production style rings for 350HO and ZZ-series (except ZZ4) engines 12528817 4.000 - Low tension rings for ZZ4, LT1, and LT4 engines 12528818 4.000 +.005" Low tension rings for ZZ4, LT1, and LT4 engines 12528819 4.000 +.030" Low tension rings for ZZ4, LT1, and LT4 engines 12499135 4.000 +.005" Premium quality standard size rings for 2nd design 383 engines 12499136 4.000 +.030" Premium quality rings for 383 engines 12499107 4.000 +.005" Set of 8 ring packs of P/N 12499135 12499231 4.000 - Set of 8 ring packs of P/N 12499136 12499236 4.000 - 1.5, 1.5, 2.5 mm Set of 8 ring packs of P/N 88894243 CHEVY SMALL-BLOCK V-8

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