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Ships within 48 hours · Estimated delivery Aug 9 - Aug 14
Big M Sportsman Chevorlet Big Block Iron Block – 4
070" Proven Power Rating: 1100 RWHP Stroke: 3
These packages are available like our LS engines either completely assembled and dyno tested or just as complete engines
machining specs
6 engines are a solid foundation to add horsepower with reliability to your high performance vehicle
LS 4.0 Stroke 4340 Crankshaft Ford Big M Sportsman Chevorlet BigManley 4. 0 stroke 4340 forged LS crankshaft . Manufacturer part number 190058
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