Stress relieved block is completely CNC machined in our state of the art CNC machining center. The block is fully align honed and torque plate honed, then assembled with brass frost plugs and pressure tested.
Short Block Features
• Scat cast steel crank
• 4340 Forged connecting rods with ARP cap screws
• 4032 alloy forged pistons
• Moly rings
• Clevite main and rod bearings
• True roller double roller timing set
• Howards hydraulic roller camshaft
• Retro-fit tie-bar lifters
Camshaft Advertised Duration
Camshaft Duration @ .050"
Dart™ Pro 1 Cylinder head castings
►170 Intake Runner
►58cc combustion chamber volume
►1.94 stainless intake valves
►1.60 stainless exhaust valves
►Howards HP valve springs
►Howards chrome moly valve spring retainers
•Dart aluminum heads are cast from virgin 355-T61 aerospace alloy for superior strength and integrity.
►Bolt on compatibility
•Standard valve angle and spacing are retained to allow use of off the shelf pistons and valve train components.
►Manganese bronze valve guides ensure long term reliability.
►Hardened exhaust seats are compatible with unleaded gasoline
►Multi-angle intake seats and radiused exhaust seats dramatically increase air/fuel flow
►Exhaust runners are raised .135" for improved flow.
►Heart shaped chambers improve combustion efficiency.
►Cast, machined and assembled in the USA
Additional Parts Included
• Edelbrock Performer RPM intake manifold
• Quick Fuel HR ("Hot Rod") series carburetor
• MSD distributor
• Autolite spark plugs
• MSD spark plug wires
• Tri Star Polished aluminum valve covers
• Aluminum timing cover
• HD Harmonic Balancer
• Melling oil pump and screen