Small Block Chevy Casting Numbers for Engine Blocks

Chevy Casting Numbers, Small Block Chevy Engine Block:


Chevy Casting Number Search: Enter a casting number to search for. Enter up to five numbers separate by commas.

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Casting NumberDisplacementYears UsedMain Cap BoltsNotes
10199001350cid V81993 - 19954 bolt mainsLT-5, ZR1 Vette, 405hp
10243878305cid V81996 - 19982 bolt mainsVortec truck, roller cam, one-piece rear seal
10243880350cid V81995 - 19002 or 4 bolt mainsVortec truck, Gen.I crate motors and "ZZ4", roller cam, one piece rear seal
12550592350cid V81997 - upCrossbolted block, Gen.III, "LS1", aluminum
125513581999 - upGen.III, 4.8L or 5.3L, cast iron, truck
12551364364cid V81998 - 1904Crossbolted cast iron Gen. III, 6.0L, truck
12559378350cid V81999 - upCrossbolted block, Gen.III, "LS1", aluminum
12559846350cid V81998 - upCrossbolted block, Gen.III, "LS1", aluminum
12560621350cid V81998 - upCrossbolted block, Gen.III, "LS1", aluminum
12560626350cid V81999 - upCrossbolted block, Gen.III, "LS1", aluminum
12560629350cid V81999Crossbolted block, Gen.III, "LS1", aluminum
12561168350cid V81901 - upCrossbolted block, Gen.III, "LS1", aluminum
12562174350cid V81998 - upCrossbolted block, Gen.III, "LS1", aluminum
12568952364cid V81905 - upCrossbolted block, Gen.III, 6.0L, aluminum, LS2
12566910325cid V81904 - upCrossbolted block, Gen.III, 5.3L, aluminum, SSR truck
12571048325cid V81904 - upCrossbolted block, Gen.III, 5.3L
12573581364cid V81998 - 1904Crossbolted cast iron, Gen.III, 6.0L, truck
12577184364cid V81998 - 1904Crossbolted cast iron, Gen.III, 6.0L, truck
125773961902 - upG bolt mainsEn.III, 4.8L or 5.3L, cast iron, truck
14010201305cid V81980 - 19852 bolt mains
14010202305cid V81980 - 19852 bolt mains
14010203305cid V81980 - 19852 bolt mains
14010207350cid V81980 - 19852 or 4 bolt mains
14010209350cid V81980 - 19852 or 4 bolt mains
14010280267cid V81979 - 19822 bolt mains
14011064350cid V819834 bolt mains
14011148350cid V81987 - 1989Roller cam, one-piece rear seal
14016376267cid V81979 - 19822 bolt mains
14016379350cid V81977 - 19792 or 4 bolt mains
14016381305cid V81980 - 19842 bolt mains
14016382305cid V81979 - 19842 bolt mains
14016383305cid V81980 - 19852 bolt mainsTruck
14079287350cid V81986 - 1990Truck
14088526350cid V81987 - 1989Roller cam, one-piece rear seal
14088548350cid V81986 - 19882 or 4 bolt mains
14088551305cid V81986 - 19872 bolt mainsOne-piece rear main seal
14093627305cid V81987 - 19942 bolt mainsRoller or flat tappet cam, one-piece rear seal
14093638350cid V81987 - 19952 or 4 bolt mainsRoller or flat tappet cam, one-piece rear seal
14094766305cid V81986 - up2 bolt mainsOne-piece rear seal
14101147305cid V81985 - up2 bolt mains
14101148350cid V81986 - 19904 bolt mainsOne-piece rear seal
14102058305cid V81987 - 19912 bolt mainsRoller cam, one-piece rear seal

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