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GM Performance 10243878 Small Block Chevy 305 Engine Block

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#35510243878

GM Performance 10243878 Small Block Chevy 305 Engine Block

Name: GM Performance 10243878 Small Block Chevy 305 Engine Block
Brand: Chevrolet Performance Parts
SKU: 35510243878
Price: 799.99 USD
Availability: Discontinued

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Discontinued

This item is currently not available

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Key Specs

MFG. Part #	10243869
Brand	Chevrolet Performance Parts
Material Type	Carbon Iron

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Chevrolet Performance Parts 10243869 Details

This Race Saver replacement for GM's 305 small block uses the same high-quality construction as all GM performance blocks. It is an all new GM 305 bare engine block and is IMCA RaceSaver approved.

Part Number: 10243869
Casting number: 10243878
Material: Cast Iron
Block finish: painted, black
Main Caps: 2 - Bolt
Main Cap Material: Cast Iron
Oil pump mounting: Conventional Wet Sump
Oil filter mounting: Spin on
Deck Height: 9.025"
Deck Finish Machined Yes
Lifter Pattern: Conventional
Finished Bore Size: (as shipped) 3.7360 - 3.7377
Bore finish: Finish Honed
Cylinder Bore Design: Open
Cylinder wall thickness: 6.62mm / 0.2606"
Main Brg Journal size: 2.45"
Oiling System: Pressurized Priorty Mains
Dipstick hole drilled: LH only - through head deck
Crank Seal type 1 piece insert
Max Stroke: 3.750"
Fuel Pump Mounting: Machined boss, pushrod not drilled
Cam Bearing finished cam bore (W/brgs) 1.8717 - 1.8707"
Lifter type Hydraulic Roller
Front cover - # mounting holes 10
Bellhousing mount - # mounting holes Conventional small-block pattern, 10 x 1.5 mm
Starter mounting provision starter mounting holes drilled and tapped for english threads
Motor Mount Holes Drilled and Threaded 10 x 1.5 mm

Chevrolet Performance Parts 10243869 Specifications

KEY SPECS
MFG. Part #	10243869
Brand	Chevrolet Performance Parts
Material Type	Carbon Iron

GENERAL
Finish	Painted
Sold in Quantity	Each

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Fitment

1991-1993 Buick Roadmaster

Gen 1 L03 Small Block Chevy

1991-1992 Cadillac Brougham

1-Piece Rear Main 305 LB9

1987 Chevy Blazer

Gen 1 L03 Small Block Chevy

1976-1985 Chevy C10

Gen 1 LG3 Small Block Chevy

1986 Chevy C10

1-Piece Rear Main 305 LG4
Gen 1 LG3 Small Block Chevy

1976-1982 Chevy C10 Suburban

Gen 1 LG3 Small Block Chevy

1983-1985 Chevy C10 Suburban

2-Piece Rear Main 305 LG4

1986 Chevy C10 Suburban

2-Piece Rear Main 305 LG4
Gen 1 L03 Small Block Chevy

1982-1987 Chevy C15

Gen 1 LE9 Small Block Chevy

1988 Chevy C15

Gen 1 L03 Small Block Chevy

1988-1995 Chevy C1500

Gen 1 L03 Small Block Chevy

1996 Chevy C1500

Gen 1 L03 Small Block Chevy
Vortec L30 Small Block Chevy

1997-1999 Chevy C1500

Vortec L30 Small Block Chevy

1977-1982 Chevy C20

Gen 1 LG3 Small Block Chevy

1983-1985 Chevy C20

2-Piece Rear Main 305 LG4

1986 Chevy C20

2-Piece Rear Main 305 LG4
Gen 1 L03 Small Block Chevy

1987 Chevy C20

Gen 1 L03 Small Block Chevy

1976-1978 Chevy C20 Suburban

Gen 1 LG3 Small Block Chevy

1979-1985 Chevy C20 Suburban

2-Piece Rear Main 305 LG4

1986 Chevy C20 Suburban

2-Piece Rear Main 305 LG4
Gen 1 L03 Small Block Chevy

1988-1995 Chevy C2500

Gen 1 L03 Small Block Chevy

1996 Chevy C2500

Gen 1 L03 Small Block Chevy
Vortec L30 Small Block Chevy

1997-1998 Chevy C2500

Vortec L30 Small Block Chevy

1978-1979 Chevy C30

Gen 1 LG3 Small Block Chevy

1986 Chevy C30

2-Piece Rear Main 305 LG4
Gen 1 L03 Small Block Chevy

1976-1982 Chevy Camaro

Gen 1 LG3 Small Block Chevy

1983-1984 Chevy Camaro

2-Piece Rear Main 305 LG4

1985 Chevy Camaro

2-Piece Rear Main 305 LB9
2-Piece Rear Main 305 LG4
Gen 1 L69 Small Block Chevy

1986 Chevy Camaro

1-Piece Rear Main 305 LB9
2-Piece Rear Main 305 LG4

1987-1992 Chevy Camaro

1-Piece Rear Main 305 LB9

1977 Chevy Caprice

Gen 1 LG3 Small Block Chevy

1978-1985 Chevy Caprice

2-Piece Rear Main 305 LG4

1986 Chevy Caprice

2-Piece Rear Main 305 LG4
Gen 1 L03 Small Block Chevy

1987-1993 Chevy Caprice

Gen 1 L03 Small Block Chevy

1980 Chevy Corvette

Gen 1 LG3 Small Block Chevy

1976-1982 Chevy El Camino

Gen 1 LG3 Small Block Chevy

1983-1985 Chevy El Camino

2-Piece Rear Main 305 LG4

1986 Chevy El Camino

2-Piece Rear Main 305 LG4
Gen 1 L03 Small Block Chevy

1987 Chevy El Camino

Gen 1 L03 Small Block Chevy

1996-2002 Chevy Express 1500

Vortec L30 Small Block Chevy

1996-2002 Chevy Express 2500

Vortec L30 Small Block Chevy

1977-1982 Chevy G10

Gen 1 LG3 Small Block Chevy

1983-1985 Chevy G10

2-Piece Rear Main 305 LG4

1986 Chevy G10

2-Piece Rear Main 305 LG4
Gen 1 L03 Small Block Chevy

1987-1995 Chevy G10

Gen 1 L03 Small Block Chevy

1977-1982 Chevy G20

Gen 1 LG3 Small Block Chevy

1983-1985 Chevy G20

2-Piece Rear Main 305 LG4

1986 Chevy G20

2-Piece Rear Main 305 LG4
Gen 1 L03 Small Block Chevy

1987-1995 Chevy G20

Gen 1 L03 Small Block Chevy

1978-1979 Chevy G30

Gen 1 LG3 Small Block Chevy

1982 Chevy G30

Gen 1 LG3 Small Block Chevy

1985 Chevy G30

2-Piece Rear Main 305 LG4

1977-1982 Chevy Impala

Gen 1 LG3 Small Block Chevy

1983-1985 Chevy Impala

2-Piece Rear Main 305 LG4

1977-1979 Chevy K10

Gen 1 LG3 Small Block Chevy

1981-1982 Chevy K10

Gen 1 LG3 Small Block Chevy

1983-1985 Chevy K10

2-Piece Rear Main 305 LG4

1986 Chevy K10

2-Piece Rear Main 305 LG4
Gen 1 L03 Small Block Chevy

1976-1982 Chevy K10 Suburban

Gen 1 LG3 Small Block Chevy

1983-1985 Chevy K10 Suburban

2-Piece Rear Main 305 LG4

1986 Chevy K10 Suburban

2-Piece Rear Main 305 LG4
Gen 1 L03 Small Block Chevy

1988-1995 Chevy K1500

Gen 1 L03 Small Block Chevy

1996-1999 Chevy K1500

Vortec L30 Small Block Chevy

1977-1978 Chevy K20

Gen 1 LG3 Small Block Chevy

1980 Chevy K20

Gen 1 LG3 Small Block Chevy

1985 Chevy K20

2-Piece Rear Main 305 LG4

1977-1978 Chevy K20 Suburban

Gen 1 LG3 Small Block Chevy

1985 Chevy K20 Suburban

2-Piece Rear Main 305 LG4

1986 Chevy K20 Suburban

2-Piece Rear Main 305 LG4
Gen 1 L03 Small Block Chevy

1988-1995 Chevy K2500

Gen 1 L03 Small Block Chevy

1997-1998 Chevy K2500

Vortec L30 Small Block Chevy

1977-1981 Chevy K5 Blazer

Gen 1 LG3 Small Block Chevy

1982-1985 Chevy K5 Blazer

2-Piece Rear Main 305 LG4

1986 Chevy K5 Blazer

2-Piece Rear Main 305 LG4
Gen 1 L03 Small Block Chevy

1976 Chevy Laguna

Gen 1 LG3 Small Block Chevy

1976-1982 Chevy Malibu

Gen 1 LG3 Small Block Chevy

1983 Chevy Malibu

2-Piece Rear Main 305 LG4

1976-1977 Chevy Monte Carlo

Gen 1 LG3 Small Block Chevy

1978-1985 Chevy Monte Carlo

2-Piece Rear Main 305 LG4

1986 Chevy Monte Carlo

2-Piece Rear Main 305 LG4
Gen 1 L03 Small Block Chevy

1987-1988 Chevy Monte Carlo

Gen 1 L03 Small Block Chevy

1976-1979 Chevy Monza

Gen 1 LG3 Small Block Chevy

1976-1979 Chevy Nova

Gen 1 LG3 Small Block Chevy

1987 Chevy R10

Gen 1 L03 Small Block Chevy

1987 Chevy R10 Suburban

Gen 1 L03 Small Block Chevy

1987 Chevy R20

Gen 1 L03 Small Block Chevy

1987 Chevy V10

Gen 1 L03 Small Block Chevy

1963-1965 GMC 1000 Series

Gen 1 LE9 Small Block Chevy

1970-1973 GMC Jimmy

Gen 1 LE9 Small Block Chevy

1978-1982 GMC Jimmy

Gen 1 LE9 Small Block Chevy

1987 GMC Jimmy

Gen 1 L03 Small Block Chevy

1960-1966 GMC Suburban

Gen 1 L69 Small Block Chevy

1975-1977 Oldsmobile Starfire

305 Chevy Small Block V8

1985 Pontiac Firebird

2-Piece Rear Main 305 LB9
2-Piece Rear Main 305 LG4
Gen 1 L69 Small Block Chevy