Features a WARHAWK aluminum block with Manley or Mahle forged aluminum pistons, Total Seal Rings, Clevite bearings, Callies forged crank and H-beam rods. Precision balanced and carefully assembled by race shop craftsmen.
You also have the option of putting any of these short blocks together on your own by choosing one of our short block kits. You'll get all of the parts featured above, along with the experience of building your own high performance motor from the ground up!
When ordering please specify 24X or 58X reluctor cranks. Available 58X with long snout crank for Corvette dry sump. Add "YZ" to part number.
Please Note: Warhawk short blocks require the purchase of a mandatory block kit (includes head stud kit, valley cover plate, camshaft retainer plate, rear main seal, rear seal plate, and rear seal plate gasket).
TECHNICAL SPECS
Deck Height: 9.240” (427), 9.800" (454, 481)
Bore/Stroke: 4.125” x 4.000” (427), 4.125" x 4.250" (454), 4.125" x 4.500" (481)
Main Caps: 6-bolt billet crossed
Crankshaft: 4340 Callies internally balanced
Connecting Rods: 4340 Eagle/Scat
Pistons: Manley/Mahle
Piston Rings: Total Seal
Main Bearings: Clevite H Series
Internal Hardware: ARP
Compression Ratios (calculated with 64cc combustion chamber head, .053" MLS gasket, and piston dome as indicated)
427 Street: 11.5:1, -8cc dome
427 Race: 13.6:1, 5cc dome
454 Street: 11.5:1, -14cc dome
481 Street: 11.6:1, -19cc dome
481 Race: 13.5:1, flat top
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