15 Crate Engine Quick Reference Chart CHEVY SMALL-BLOCK ... V-8 LS SERIES SMALL-BLOCK V-8 CHEVY BIG-BLOCK V-8 RPO, GM V-6 RPO, CADILLAC ... FOUR CYLINDER Part Number Description Engine Size HP Torque Page 12499679 Ecotec 2 ... .2 Naturally Aspirated Engine 2.2L 145 155 123 12499466 Ecotec 2.0 SC ... .0L 205 200 124 Part Number Description Engine Size HP Torque Page 12499468 4.6 ... Northstar VVT Used in Cadillac XLR and SRX 4.6L 320 310 ... 128 17802896 LC3 Northstar Used in Cadillac STSV and XLRV 4.4L 469 439 ... 129 Part Number Description Engine Size HP Torque Page 12499529 350/290 ... HP Economy Performance Engine 350 cu in 290 326 26 12499711 350 HO ... cu in 355 405 36 12561723 ZZ4 Partial Engine 350 cu in N/A N/A 36, 44 12499120 Ram ... 385 44 12499101 HT 383 Base Performance Engine 383 cu in 340 435 46 12499106 383 ...
213 BIG-BLOCK VALVE SPRINGS Part Description Outside ... 460527 For high-performance 396/427/454 LS6 engines 12371061 Dual Kit 1.487" ... " 116# 1.88" 1.10" 358 3964264 460527 Used with HD 427/454 engines; L88, ZL1, LS7 ... " 1.37" 316 14096274 12550422 Use with 454 and 502 HO engines 12495514 Dual Kit 1. ... 12366990 12495690 Use with 502/502 hp engines Spring 12495691 Dual 1.514" 140# 1.94 ... A 12366990 88963936 Use with 572/620 hp engines Spring 88963933 Dual 1.567" 205# 2.30 ... A 12366990 88963936 Use with 572/720 hp engines Spring 366282 Dual 1.525" 128# 1.70" 1 ... 406 366254 Aftermarket For competition engines Spring PC-type seal 12366567 Dual 1. ... . 88963937 Spring Shim Shim for all 572 engines. 88963935 Valve Spring Locator Valve ... spring in the right location on all 572 engines. 12360874 Retainer/Seal Kit Kit of 16 ...