Page 214 of GM Performance Parts 2006 Catalog by GM Parts Direct

Hex Nut C Head Gasket Kit, 502 Engine A Head Gasket, 572 Engine B 212 E 12363412 Composition Head Gasket (1991-newer, not shown) Composition head gasket for 1991-and-newer Gen V and VI big-blocks with aluminum heads and 4.250" to 4.370" bore size. Gasket has pre-flattened wire ring and stainless core which makes it ideal for saltwater marine use. Compressed thickness is 0.039". 12555728 Head Gasket, 454 engine (not shown) Head gasket for 1991-2000 Gen V 454 big-blocks. A. 12366984 Head Gasket Kit, 502 engine Head gasket for all Gen V and Gen VI 502 big-blocks with cast iron heads. Gasket has additional water hole for improved cooling of siamesed cylinder walls. Compressed thickness is 0.041". Kit includes two gaskets (right and left) per package. 12363411 Composition Head Gasket (1991-newer, not shown) Composite head gasket for Gen V and VI big-blocks with aluminum heads and 4.375" to 4.540" bore size. Gasket has pre-flattened wire ring and stainless core which makes it ideal for saltwater marine use. Compressed thickness is 0.039". B. 88961561 Head Gasket, 572 engine (not shown) Composite head gasket with pre-flattened wire ring for all 572 big-blocks with either cast iron or aluminum heads. Compressed thickness is 0.030". 12367779 Cylinder Head Bolt Kit (not shown) Universal kit for cast iron and aluminum big-block heads. Includes (8) 7/16-14 x 2.08" bolts P/N 12367331, (24) 7/16-14 x 4.06" bolts P/N 12367330, (8) 7/16-14 x 5.06" bolts P/N 12367329, and (40) hardened washers P/N 14011040. For single service replacement bolts use above part numbers. Use thread sealant on all big-blocks except 502 due to blind bolt holes. 25534347 Cylinder Head Stud Kit (not shown) Cylinder head studs for current design 454, 502, and 572 big-block aluminum heads. 3899696 Hardened Washer (not shown) Washer 0.45" I.D. x 0.86" O.D. Sold individually. C. 3942410 Head Stud Nut Magnafluxed 1038 steel 7/16-20 hex head nut. Sold individually. D. 14044866 Head Stud Nut Magnafluxed 4037 steel 7/16-20 12-point nut. Sold individually. BIG-BLOCK VALVES Part Number Valve Size Stem Size Description Intake Valves 3969815 2.19" 3/8" Hard chromed standard stem diameter. 14097045 2.19" 3/8" Stock replacement valve for Gen V VI 454 and 502 HO engines. 12366986 2.19" 11/32" Stainless steel valve with undercut chrome plated stems, single groove design, hardened tips, used on ZZ454. 12366987 2.25" 11/32" Stainless steel valve with undercut chrome plated stems, single groove design, hardened tips, used on ZZ502 and ZZ572. 3879618 2.30" 3/8" Standard stem diameter, valve seats need to be reworked for this valve. Exhaust Valves 3946077 1.88" 3/8" Stock replacement valve used in discontinued heads 6260482, 14011076, 14044862, 14096801, 14096802. 14097049 1.88" 3/8" Stock replacement valve for Gen V VI 454 and 502 HO engines. 12366988 1.88" 11/32" Stainless steel valve with undercut chrome plated stems, single groove design, hardened tips, used on ZZ454. 88963128 1.88" 11/32" Stainless steel valve with undercut chrome plated stems, single groove design, hardened tips, used on ZZ502 and ZZ572. CHEVY BIG-BLOCK V-8 12-Point Nut D

[close]