SCAT’s 4340 standard weight crankshafts will give you strength and reliability to dominate the competition. With SCAT’s premium non-twist forgings, machined to exact specifications, big and reliable cubic inches can be made. Correct weight to work for most 305 engines and features 2 piece rear main seal.

Designed & engineered at SCAT
Precision ground & micro polished
Heat treated & ion nitrided
Straight shot & chamfered oil holes
Lightening holes & large radii on all journals
2.10" rod journal diameter
5.70" rod length
3.480" stroke
2 piece rear main seal.

CARB Warning

For race/ off road use or for use on pre-1966 vehicles.

Emissions warning: this part only legal for sale or use in California for racing (competition) vehicles which may never be used, registered, or licensed for use upon a public highway, or if installed in vehicles model-year 1965 or older; motorcycles model-year 1977 or older; or off-highway recreational vehicles (such as off-road motorcycles and all-terrain vehicles) model-year 1996 and older. Any other use renders the vehicle tampered and not legal for use on California public highways (any public street or roadway, public dirt road, public park, or publicly maintained right of way open to the use of the public for vehicular travel). Violations subject to $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and the laws of all other states with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine.

CA Prop 65

CARB warning

Scat 4-305-3480-5700-1 Specifications

KEY SPECS
MFG. Part #	4-305-3480-5700-1
Brand	Scat
Stroke	3.480"
Crankshaft Material	Forged 4340 Steel
Rod Journal Diameter	2.100"
Rear Main Seal Style	2-piece
Weight	48.00 lbs.

GENERAL
Connecting Rod Length	5.700"
Sold in Quantity	Each

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Questions & Answers

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Does this crank come in a 350 model?

by Joe

• 7 years ago

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will this fit in a 350 chevy

by Dale

• 11 years ago

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Fitment

1976-1986 Chevy C10

Gen 1 LG3 Small Block Chevy

1976-1982 Chevy C10 Suburban

Gen 1 LG3 Small Block Chevy

1983-1986 Chevy C10 Suburban

2-Piece Rear Main 305 LG4

1982-1987 Chevy C15

Gen 1 LE9 Small Block Chevy

1977-1982 Chevy C20

Gen 1 LG3 Small Block Chevy

1983-1986 Chevy C20

2-Piece Rear Main 305 LG4

1976-1978 Chevy C20 Suburban

Gen 1 LG3 Small Block Chevy

1979-1986 Chevy C20 Suburban

2-Piece Rear Main 305 LG4

1978-1979 Chevy C30

Gen 1 LG3 Small Block Chevy

1986 Chevy C30

2-Piece Rear Main 305 LG4

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

2-Piece Rear Main 305 LG4

1977 Chevy Caprice

Gen 1 LG3 Small Block Chevy

1978-1986 Chevy Caprice

2-Piece Rear Main 305 LG4

1980 Chevy Corvette

Gen 1 LG3 Small Block Chevy

1976-1982 Chevy El Camino

Gen 1 LG3 Small Block Chevy

1983-1986 Chevy El Camino

2-Piece Rear Main 305 LG4

1977-1982 Chevy G10

Gen 1 LG3 Small Block Chevy

1983-1986 Chevy G10

2-Piece Rear Main 305 LG4

1977-1982 Chevy G20

Gen 1 LG3 Small Block Chevy

1983-1986 Chevy G20

2-Piece Rear Main 305 LG4

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

1983-1986 Chevy K10

2-Piece Rear Main 305 LG4

1976-1982 Chevy K10 Suburban

Gen 1 LG3 Small Block Chevy

1983-1986 Chevy K10 Suburban

2-Piece Rear Main 305 LG4

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

1985-1986 Chevy K20 Suburban

2-Piece Rear Main 305 LG4

1977-1981 Chevy K5 Blazer

Gen 1 LG3 Small Block Chevy

1982-1986 Chevy K5 Blazer

2-Piece Rear Main 305 LG4

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

1978-1986 Chevy Monte Carlo

2-Piece Rear Main 305 LG4

1976-1979 Chevy Monza

Gen 1 LG3 Small Block Chevy

1976-1979 Chevy Nova

Gen 1 LG3 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

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