Page 222 of GM Performance Parts 2006 Catalog by GM Parts Direct

NOTE: Cam Button Spacer A CAMSHAFTS A great camshaft delivers power and easy drivability and thats exactly what you get with GMPPs factory-engineered cams. Extensive research and development, followed by precise manufacturing standards, are behind every one of our camshafts. Our extensive array of cams includes the best one for your GM engine. IMPORTANT! Distributor with melonized steel gear MUST be used with steel camshafts or engine damage can occur. Camshaft Components A. 12364086 Cam Button Spacer Solid aluminum button for all 1965-1995 big-blocks, limits lateral movement of roller lifter camshafts when installed in engines without a cam thrust plate. B. 12499434 Camshaft Bearings, 572 engine Five standard-size premium camshaft bearings for the ZZ572 engine. 220 CHEVY BIG-BLOCK V-8 BIG-BLOCK CAMSHAFTS Part Description Duration Maximum Lobe Technical Notes Number @ .050" Lift (in) Centerline Lift (deg) (deg) 10185060 Hydraulic flat I: 220 I: .500 115 Street high performance and marine cam as used in Gen V 454 HO engines. tappet 454ci E: 220 E: .500 Advanced 5 degrees. Use spring P/N 10185058. 14096209 Hydraulic flat I: 220 I: .500 115 Street high performance and marine cam as used in Gen V 502 HO engines. tappet 502ci E: 220 E: .500 Use spring P/N 10185058. 12366543 Steel hydraulic I: 224 I: .527 110 For 502/502 special engine. Must use distributor gear P/N 10456413. roller E: 234 E: .544 24502611 Steel hydraulic I: 211 I: .510 112 For 454 and 502 HO engines. Must use distributor gear P/N 10456413. roller E: 230 E: .540 88961447 Steel mechanical I: 236 I: .640 I: 110 ATDC For ZL1 Ram Jet. roller E: 232 E: .598 E: 109 BTDC 88961557 Steel hydraulic I: 254 I: .632 112 For ZZ572/620 engine. roller E: 264 E: .632 88962216 Steel mechanical I: 266 I: .714 112 For ZZ572/720 engine. roller E: 274 E: .714 BIG-BLOCK CAMSHAFT LIFTER KITS INCLUDES CAMSHAFT AND 16 LIFTERS Part Description Duration Maximum Lobe Technical Notes Number @ .050" Lift (in) Centerline Lift (deg) (deg) 12361314 Hydraulic flat I: 202 I: .468 110 Low-end truck torque cam for all big-block truck applications from normal driving to tappet E: 210 E: .485 towing/hauling; suitable for computer controlled Mark IV and V engines. 12361316 Hydraulic flat I: 210 I: .485 115 Designed for 90-93 454SS pickup. Offers increased mid-range and top-end performance. tappet E: 218 E: .490 12353920 Hydraulic flat I: 228 I: .540 114 For all 9.5-10.75 C.R. big-block V-8s including 65-66 CA, 65-68 Fed emissions, and tappet E: 238 E: .540 66- 92 off-highway/marine; good idle, daily performance and mild bracket racing use; 2200-5700 rpm range. 12353922 Hydraulic flat I: 218 I: .500 114 For 8.75-10.5 C.R. 396, 427, 454, 502 big-blocks; good mid-range tappet E: 228 E: .500 2000-4500 rpm, idle, fuel efficiency, and towing capabilities. 12364055 Hydraulic flat I: 214 I: .461 115 Blueprinted, dual pattern replacement for P/N 3883986 tappet E: 218 E: .480 350 hp 396 cam; for 8.75-10.0 C.R., 1500-3800 rpm range. 12364058 Mechanical I: 264 I: .560 112 Blueprinted, dual pattern replacement for P/N 3925535 435 hp lifters E: 269 E: .580 427 early L88 camshaft; for 11.5-12.0 C.R. and 4400-7000 rpm. Camshaft Bearings, 572 engine B

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