598 Chevy Long Block


If you are looking maximum cubes in a standard deck block, then the 598 big block Chevy is for you! We pack a 4.500-inch stroke crank in this 454 based Dart block. The hydraulic roller cam and aluminum CNC rectangler port heads make for a true power-house. Built for street and strip action.

Fuel Type

Fuel Type

Pump Gas


Idle Quality

Idle Quality

Best Use

Best Use

Horsepower: 720
Torque: 700
Bore/Stroke: 4.600 x 4.500
Compression: 10:1
Fuel Type: 91+ AKI (USA) / 95-98 RON
Block: Dart Big M Siamese Bore Mark IV
Crankshaft: 4340 Forged
Rods: H-Beam, 4340 Forged Steel
Pistons: 2618 Forged Aluminum 4cc dome
Bearings: King XP / Clevite H
Camshaft: Hydraulic Roller
Heads: Aluminum, CNC Rect Port
Valves: 2.300/1.880
Rocker Arms: Billet Aluminum, Full Roller
Intake: Not Included
Oil Pan: Drag Race
Valve Covers: Polished Aluminum
Power Adder: N/A
Fuel Delivery: Not Included
Ignition: Not Included
Dyno Testing Image

Dyno Testing

Here at Prestige Motorsports, our “Dyno Promise” means that we dyno test every engine we build to verify the quality of our work, the integrity of each component, and the reliability of every engine we construct. Then, we deliver the dyno results for your project directly to you, the customer.

Dyno Graph Image
Warranty Image


This Prestige Motorsports engine is built to order and comes with a 3-year, unlimited miles warranty. Our warranty covers the base engine from intake manifold to oil pan.

Comparable Engines

Product: Current: 598 Chevy Long Block 582 Crate Engine 632 Crate Engine
Horsepower: 720 700 800
Torque: 700 700 700
Best Use: Street/Strip Street/Strip Street/Strip
Max RPM: 6,000 6,000 6,000
Idle Quality: Rough Rough Radical
Bore/Stroke: 4.600 x 4.500 4.600 x 4.375 4.600 x 4.375
Block: Dart Big M Siamese Bore Mark IV Aftermarket 9.8 Deck, Iron Aftermarket 10.2 Deck, Iron
Crankshaft: 4340 Forged 4340 Forged Steel 4340 Forged Steel
Rods: H-Beam, 4340 Forged Steel H-Beam, 4340 Forged Steel H-Beam, 4340 Forged Steel
Pistons: 2618 Forged Aluminum 4cc dome 2618 Forged Aluminum 10cc dome 2618 Forged Aluminum 3cc valve relief
Oil Pan: Drag Race Drag Race Drag Race
Camshaft: Hydraulic Roller Hydraulic Roller Hydraulic Roller
Heads: Aluminum, CNC Rect Port Aluminum, As-Cast Rect Port Aluminum, CNC Rect Port
Intake: Not Included Not Included Not Included
Price: $12,999 Starting at $11,399 Starting at $13,999

Upgrades & Add-ons

Ready to upgrade your project? Add a kit from each area below to convert your base engine into a turn-key package. Kits come installed and dyno tested with your engine. Please note that not all of the options listed below are available for every engine. Contact us for more details.

Fuel Supply

Don’t waste time and frustration on that old carburetor. Fuel your engine with a dyno tested system for proven performance.

Ignition System

You'll need a top-notch ignition system for trouble-free performance. Let us customize one for you with everything needed to keep the spark alive.

Pulley Kits & Accessories

Pulleys drive vital components. Let us install a high-quality kit that keeps your engine running and provides max clearance for cooling systems. Available in multiple finishes!