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Looking for aftermarket parts to modify or upgrade your 1981 Chevrolet C30 with crankshafts? At Tunersports.com we carry a huge selection of the top name brand performance crankshaft parts and accessories.
 OUT OF STOCK 103503480Eagle cast crankshaft is great alternative to and an upgrade from an O.E. crankshaft. .092" fillet radiuses mean in increase in strength, but O.E. Replacement bearings can still be used. Recommended for use in pump-gas, naturally-aspirated, non-competition road cars.... Eagle Chevrolet 305/350 Small Block 2pc Rear Seal 3.48in Stroke Internal Balance Cast MS Crank Shaft 1975-1981 Chevrolet C30 Cheyenne 1975-1986 Chevrolet C30 Scottsdale / Silverado 1981-1981 Chevrolet C30 Deluxe 1981-1986 Chevrolet C30 Custom $347.52 |
 IN STOCK - DROPSHIPS 103503480CMEagle cast crankshaft is great alternative to and an upgrade from an O.E. crankshaft. .125" fillet radiuses mean in increase in strength, so chamfered or narrowed bearings are required. No lightening holes on secord or third throw for IMCA legality.... Eagle Chevrolet 350 2 Pc 3.480in Stroke IMCA Legal Cast Crankshaft 1975-1981 Chevrolet C30 Cheyenne 1975-1986 Chevrolet C30 Scottsdale / Silverado 1981-1981 Chevrolet C30 Deluxe 1981-1986 Chevrolet C30 Custom $360.18 |
 IN STOCK - DROPSHIPS 103523480Eagle cast crankshaft is great alternative to and an upgrade from an O.E. crankshaft. .092" fillet radiuses mean in increase in strength, but O.E. Replacement bearings can still be used. Recommended for use in pump-gas, naturally-aspirated, non-competition road cars.... Eagle Chevrolet 350 1 Pc 3.480in Stroke Cast Crankshaft 1975-1981 Chevrolet C30 Cheyenne 1975-1986 Chevrolet C30 Scottsdale / Silverado 1981-1981 Chevrolet C30 Deluxe 1981-1986 Chevrolet C30 Custom $347.52 |
 OUT OF STOCK 104544000Eagle cast crankshaft is great alternative to and an upgrade from an O.E. crankshaft. .092" fillet radiuses mean in increase in strength, but O.E. Replacement bearings can still be used. Recommended for use in pump-gas, naturally-aspirated, non-competition road cars.... Eagle Chevrolet Big Block 4in Stroke External Balance Cast Crank Shaft 1975-1981 Chevrolet C30 Cheyenne 1975-1986 Chevrolet C30 Scottsdale / Silverado 1981-1981 Chevrolet C30 Deluxe 1981-1986 Chevrolet C30 Custom $386.75 |
 OUT OF STOCK 104564000Eagle cast crankshaft is great alternative to and an upgrade from an O.E. crankshaft. .092" fillet radiuses mean in increase in strength, but O.E. Replacement bearings can still be used. Recommended for use in pump-gas, naturally-aspirated, non-competition road cars.... Eagle 91-95/96-00 Chevy V8 7.4L/454 Big Block Cast Steel Crankshaft 1975-1981 Chevrolet C30 Cheyenne 1975-1986 Chevrolet C30 Scottsdale / Silverado 1981-1981 Chevrolet C30 Deluxe 1981-1986 Chevrolet C30 Custom $386.75 |
 IN STOCK - DROPSHIPS 435030005700Eagle forged 4340 steel Cranks feature a non-twist forging, .125" fillet radiuses for superior strength so chamfered / narrowed bearings required, nitrided surface and micropolished. Intended for the most demanding applications.... Eagle Chevrolet 305/350 3.000in Stroke Forged Crankshaft 1975-1981 Chevrolet C30 Cheyenne 1975-1986 Chevrolet C30 Scottsdale / Silverado 1981-1981 Chevrolet C30 Deluxe 1981-1986 Chevrolet C30 Custom $909.79 |
 IN STOCK - DROPSHIPS 435032505700Eagle forged 4340 steel Cranks feature a non-twist forging, .125" fillet radiuses for superior strength so chamfered / narrowed bearings required, nitrided surface and micropolished. Intended for the most demanding applications.... Eagle Chevrolet 350 3.250in Stroke Large Journal Forged 4340 Steel Crankshaft 1975-1981 Chevrolet C30 Cheyenne 1975-1986 Chevrolet C30 Scottsdale / Silverado 1981-1981 Chevrolet C30 Deluxe 1981-1986 Chevrolet C30 Custom $909.79 |
 IN STOCK - DROPSHIPS 435034805700Eagle forged 4340 steel Cranks feature a non-twist forging, .125" fillet radiuses for superior strength so chamfered / narrowed bearings required, nitrided surface and micropolished. Intended for the most demanding applications.... Eagle Chevrolet 305/350 3.480in Stroke Forged 4340 Steel Crankshaft 1975-1981 Chevrolet C30 Cheyenne 1975-1986 Chevrolet C30 Scottsdale / Silverado 1981-1981 Chevrolet C30 Deluxe 1981-1986 Chevrolet C30 Custom $909.79 |
 OUT OF STOCK 4350348057LAEagle lightweight forged 4340 steel Cranks feature a non-twist forging, lightweight counterweight design to reduce rotating weight, .125" fillet radiuses for superior strength so chamfered / narrowed bearings required, nitrided surface and micropolished. Intended for restricted-class competition use... Eagle SBC 350 Forged Lightweight Crankshaft 3.480in Stroke 2.1in Rod Journal 1975-1981 Chevrolet C30 Cheyenne 1975-1986 Chevrolet C30 Scottsdale / Silverado 1981-1981 Chevrolet C30 Deluxe 1981-1986 Chevrolet C30 Custom $933.82 |