CHEVROLET 420 STROKER BALANCED ROTATING ASSEMBLY
DEL-TRON PRODUCTS Chevrolet 420 balanced assembly
Part No. DEL-420F30BRA
SBC 420CID stroker gen one fully internal balanced rotating assembly fits 1970-1980 yrs GM 400 blocks w/modifications. Kit contains CP flat top lite weight forged pistons fits 4.155" bore. Scat forged 4340 steel std weight crankshaft 3.875" stroke 2 piece rear seal with 400 main diameter. Scat 6.000" forged pro sport H-beam rods 7/16"cap screws. Plasma moly rings package. Clevite rod and main bearings. These kits have lite bobweight assembly for quicker acceleration and balanced with in 2 grams. This assembly is a build to order item and process time is 10-15 business days. Applications street, strip, circle track , 650+ hp 7000 rpms, CR/64 cc heads 11.8. High octane fuel required. Harmonic balancer, Flex plate are not included.(Note to buyers have your engine block magnafluxed, pressure tested and cylinders bored before ordering.) Machined and balanced by Scat manufacturing.
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