598 CUBE DART BIG BLOCK CHEVY ENGINE (705HP @5200RPM, HYD STREET CAM, PUMP GAS)

Description

We are a full machine shop with SuperFlow dyno and have been providing custom high-performance engines since the 1970's. We have the capability to use any brand parts and build the motor to any design whether it be high compression, alcohol, forced induction, nitrous, or other. We design custom camshafts, offer CNC porting to heads and intake, along with custom pistons. We can custom build any engine in conventional valve angle or otherwise for drag racing, road racing, circle track racing, marine, or for steet/strip hot rod or rat rod.
NOTE: Requests to modify the engine from how it is described below are subject to price change. Be sure to contact us ahead of purchasing this engine to inquire about any change in price that may occur if you desire the engine built to a different specification than described in this listing. Thank you.
PURCHASER TO RECEIVE:
598 CID Big Block engine featuring a
new
Dart™ Big M block. This engine package comes fully dressed with timing cover, oil pan,  polished aluminum valve covers, harmonic balancer, intake, and carburetor.  These blocks are machined and assembled to exact tolerances.
This 598 cubic inch engine is supplied with 2618 forged pistons, Scat 4340 H-Beam rods and a Scat 4340 forged crank .
Dart™ Big M blocks have many features that make them superior to their competition including a priority main oiling system, siamese cylinder bores with extra-thick walls and a variety of other benefits (see the Block section for more details). These
new
Dart™ blocks are the obvious choice for serious performance and durability.
Additional Information
Block
NEW Dart™ Big M Block
Featuring upgrades including...
•MADE IN THE USA
Short Block Features
Deck height 10.200"
Rods 6.535
Stroke 4.500
Bore 4.600
2618 Forged Pistons
Scat 4340 forged crank
4340 Forged H-Beam Rods
Brass frost plugs
Moly piston rings
HP cam bearings
Howards hydraulic roller camshaft
Internally balanced
Camshaft Advertised Duration
Street/Strip engine:
° Intake, ° Exhaust
Camshaft Duration @ .050"
Street/Strip engine:
260° Intake, 270° Exhaust
Camshaft Lift
Street/Strip engine:
.680 Intake, .680 Exhaust
Heads
Dart™ Pro 1 Cylinder head castings
Specs
►345cc Intake Runner
►121cc combustion chamber volume
►2.30 stainless intake valves
►1.88 stainless exhaust valves
►Rectangular intake port shape
►Howards HP valve springs
►Howards chrome moly valve spring retainers
Features
►Premium alloy:
•Dart aluminum heads are cast from virgin 355-T61 aerospace alloy for               superior strength and integrity.
►Manganese bronze valve guides extend cylinder head life and reduce stem     wear.
►Hardened exhaust seats are compatible with unleaded gasoline
►Multi-angle intake seats and radiused exhaust seats dramatically increase     airflow.
►Spark plug holes are machined for gasketed 3/4" reach plugs.
►Heart shaped 121cc chambers improve combustion efficiency.
►Raised spark plug location improves flame travel for a quicker, more     complete burn, producing more power.
►Exhaust ports raised .300" to improve flow
►
Cast, machined and assembled in the
U
S
A
Additional Parts Included
SFI rated harmonic balancer
High capacity oil pan
Chrome timing cover
Polished aluminum valve covers
Dart™ single plane intake manifold
Quick Fuel  Dominator Carburetor with 2 circuit metering
IMPORTANT :   APPROXIMATELY 4 WEEKS BUILD TIME NEEDED TO ASSEMBLE ENGINE.  FREE SHIPPING TO A BUSINESS ADDRESS ONLY. RESIDENTIAL DELIVERIES WITH LIFT GATE ARE SUBJECT TO A 0 SURCHARGE.
WARNING: This product can expose you to chemicals which is/are known to the State of California to cause cancer and/or reproductive harm.