Page 309 of GM Performance Parts 2006 Catalog by GM Parts Direct

307 CRATE ENGINES SMALL-BLOCKS ................................................................................................16 350/290 ................................................................................................................26 350 HO ..................................................................................................................30 ZZ4 ........................................................................................................................34 Ram Jet 350..........................................................................................................38 Fast Burn 385 ........................................................................................................42 HT 383 ..................................................................................................................46 ZZ 383 ..................................................................................................................50 RACING ENGINES..............................................................................................54 CT 350/350............................................................................................................56 CT 350/355............................................................................................................58 CT 350/400............................................................................................................60 LS Series ..............................................................................................................62 LS1 ........................................................................................................................64 LS6 ......................................................................................................................68 LS2 ........................................................................................................................72 LS 364/440............................................................................................................74 LQ9 ........................................................................................................................78 LS7 ........................................................................................................................80 BIG-BLOCKS ......................................................................................................82 454 HO ..................................................................................................................86 ZZ 454 ..................................................................................................................92 HT 502 ..................................................................................................................94 502 HO ..................................................................................................................98 ZZ 502 ................................................................................................................102 Ram Jet 502........................................................................................................110 ZZ 572/620..........................................................................................................114 ZZ 572/720R........................................................................................................118 RPO ENGINES ..................................................................................................122 Ecotec 2.2L..........................................................................................................123 Ecotec 2.0L..........................................................................................................124 HT 3.4L V-6..........................................................................................................125 3.8L 3800 Series II III ......................................................................................126 4.6L Northstar V-8 ..............................................................................................128 SMALL-BLOCK COMPONENTS PRODUCTION BASED BLOCKS ....................................................................133 350 Bare Block (1986-later style), 1-piece rear main seal ................................133 383 Bare Block (1986-later style), 1-piece rear main seal ................................133 350 Bare Block (pre-1986 style), 2-piece rear main seal ..................................133 TWO-BOLT MAIN BLOCKS ............................................................................134 350 Main, 283 Bore size Bowtie Sportsman Block, 1-piece rear main seal ....134 350 Bowtie Block, 1-piece rear main seal ........................................................134 FOUR-BOLT 350 MAIN BLOCKS ....................................................................135 350 Bowtie Sportsman Block ............................................................................135 350 Bowtie Sportsman block, 1-piece rear main seal ......................................135 350 Bowtie Sportsman block, 2-piece rear main seal ......................................135 350 Main, 400 Bore size Bowtie Sportsman block, 1-piece rear main seal ....135 350 Main, 400 Bore size Bowtie Sportsman block, 2-piece rear main seal ....135 FOUR-BOLT 400 MAIN BLOCKS ....................................................................135 400 Main, 350 Bore size Bowtie Sportsman block, 2-piece rear main seal ....135 400 Bowtie Sportsman Block, 2-piece rear main seal ......................................135 GM PERFORMANCE PARTS RACE BLOCKS ..............................................136 350 Main, 283 Bore Cast Iron Bowtie Race Block ............................................136 350 Cast Iron Bowtie Race Block ......................................................................137 283 Main, 350 Bore size Short-Deck Bowtie Race Block ..................................137 283 Main, 350 Bore size Medium-Deck Bowtie Race Block ............................137 283 Main Size NASCAR Busch Series Block ....................................................138 350 Main Size NASCAR Busch Series Block ....................................................138 283 Main Size NASCAR SB2.2 Series Block......................................................138 350 Main Size NASCAR Busch Series Block, SB2 lifter pattern ......................138 ROX RACE BLOCKS ........................................................................................139 283 Main, ROX Series Block Gray Iron ..............................................................139 283 Main, ROX Series Block SB2.2 Lifter Pattern..............................................139 CAST IRON ROCKET BLOCK (STD. DECK WITH WET SUMP)..................140 ALUMINUM RACE BLOCKS ..........................................................................141 350 Aluminum Bare Block ..................................................................................141 400 Aluminum Bare Block ..................................................................................141 CYLINDER BLOCK COMPONENTS................................................................142 Universal Engine Lift Brackets............................................................................142 Freeze Plug, 1 5/8 brass....................................................................................142 Rear Oil Seal, two-piece design ........................................................................142 Cylinder Sleeve (standard)..................................................................................142 Oil Galley Plugs, aluminum blocks ....................................................................142 Freeze Plug Dowel Pin Kit ..............................................................................142 Billet Steel Four-Bolt Main Cap..........................................................................142 Billet Steel Two-Bolt Front Bearing Cap ............................................................143 Main Bearing Kits, 383 engine ..........................................................................143 Main Bearing Bolt Kit, Sportsman blocks ..........................................................143 FRONT COVERS AND TIMING POINTERS ..................................................143 Timing Pointer, 6.75 7 balancer ..................................................................143 Timing Pointer, 8-inch balancer ..........................................................................143 Small-Block Chrome Timing Cover ....................................................................143 SERVICE REPLACEMENT HEADS ................................................................144 Bare Cast Iron Cylinder Head ............................................................................144 Cylinder Head Assembly with valves for 290 hp ..............................................144 VORTEC CYLINDER HEADS............................................................................144 Cast Iron Vortec Cylinder Head Assembly..........................................................144 PERFORMANCE NON-VORTEC REPLACEMENT HEADS ..........................145 Bare Large Valve Cast Iron High Performance Head ........................................145 Bare Cast Iron High Performance Leaded Fuel Head ........................................145 PHASE 3 CAST IRON BOWTIE HEAD ..........................................................145 VORTEC BOWTIE HEADS ..............................................................................146 Small Port Vortec Bowtie Head Assembly ........................................................146 Large Port Vortec Bowtie Head Assembly ........................................................146 THE ZZ4 ALUMINUM HEAD ..........................................................................147 THE LT4 ALUMINUM HEAD ..........................................................................148 LT4 Aluminum Head Assembly ..........................................................................148 INDEX

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