The Premium 454 Crate Engine for 1990-1991 Chevrolet & GMC Trucks

The VEGE DCH7 remanufactured long block crate engine is a premium-quality replacement for 1990-1991 Chevrolet and GMC trucks, SUVs, and vans equipped with the legendary 7.4L/454 cubic inch big-block V8 . This 454 V8 is a direct-fit replacement for these heavy-duty applications, providing budget-friendly performance without compromising on quality . With VEGE’s over 80 years of remanufacturing expertise, each engine is reverse-engineered to remove original factory defects and reconditioned to meet or exceed OEM specifications.

Whether you’re restoring a 1990-1991 Chevrolet C/K truck, Suburban, or GMC van, or performing a replacement, this DCH7 crate engine delivers the reliability and durability that GM truck enthusiasts demand.

What Makes the VEGE DCH7 a Smart Replacement Choice?

The VEGE DCH7 long block is far more than a simple used engine—it’s a thoroughly remanufactured assembly that undergoes rigorous quality control . As part of VEGE’s extensive GM engine program, this 7.4L big-block V8 is designed specifically for 1990-1991 Chevy and GMC applications.

VEGE’s advanced remanufacturing process begins with complete disassembly of the donor core, stripping it back to component parts for inspection and cleaning. Certified technicians then recondition components to factory specifications, replacing wearable parts or machining them back to OE standards . The engines are thoroughly tested and calibrated to deliver maximum performance and long-term durability .

All of VEGE’s manufacturing facilities have achieved both QS-9000 and ISO 9001 certification levels—one of the few engine remanufacturers in the world to have done so . This is particularly significant as it represents both engineering and manufacturing certification.

VEGE DCH7 Engine Specifications

Based on the product specifications from multiple sources :

Please note: Ancillary components such as the intake manifold, throttle body, oil pan, valve covers, timing cover, water pump, and harmonic balancer must be transferred from your original engine. The engine includes oil pump, gasket, and cast iron cylinder heads .

VEGE Remanufactured Engines – Quality You Can Trust

Over 80 Years of Remanufacturing Excellence

VEGE has been at the forefront of the automotive aftermarket industry since 1936. VEGE remanufactured long block crate engines are an excellent foundation for budget-minded builds . These premium-quality refurbished engines are drop-in replacements for a wide range of stock vehicles—and can be retrofitted into additional applications.

Each engine is reverse-engineered to ensure that any original defects are removed . Certified technicians recondition the long blocks to factory specifications, replacing wearable parts or machining them back to OE standards . The engines are thoroughly tested and calibrated to deliver maximum performance and long-term durability.

Certified Quality and Testing

The quality process includes :

• Engine blocks magnafluxed, bored, precision-honed, and mains line-honed

• Camshaft bearings line-bored for accurate center-to-center clearance

• Engine blocks and cylinder heads precision surfaced

• Cylinder heads magnafluxed and machined for three-angle valve seats

• Crankshafts stress-relieved, precision ground, and micro-polished

• Camshafts precision ground or replaced with new camshafts

Each engine is tested (most are hot-run tested) for compression, oil pressure, oil leaks, engine noise, and general operating condition before shipment .

VEGE Gasoline Engine Warranty: 3-year / unlimited mileage

What’s Included with Your VEGE DCH7 Long Block?

When you purchase this VEGE DCH7 long block from NH Race Engine, you receive a fully assembled remanufactured engine ready for installation :

• ✅ Remanufactured engine block

• ✅ Reconditioned cylinder heads (cast iron)

• ✅ Internal rotating assembly (crankshaft, connecting rods, pistons)

• ✅ Camshaft and valvetrain components

• ✅ Oil pump and gasket

Important Note: This is a long block assembly. Ancillary components such as the intake manifold, throttle body, oil pan, valve covers, timing cover, water pump, and harmonic balancer must be transferred from your original engine .

DCH7 Engine Applications and Fitment

Compatible Vehicles

The VEGE DCH7 is a direct-fit replacement for vehicles equipped with the GM 7.4L/454 big-block V8 . Compatible applications include:

Chevrolet:

• 1990-1991 Chevrolet Truck (C/K Series)

• 1990-1991 Chevrolet Suburban

• 1990-1991 Chevrolet Van

GMC:

• 1990-1991 GMC Truck (C/K Series)

• 1990-1991 GMC Suburban

• 1990-1991 GMC Van

Technical Specifications

According to product specifications :

• VIN Code: N

• Head Cast #: 045, 236, 360

• Block Cast #: 1959, 5445, 9286

• Rear Main Seal: 2-piece

• Main Caps: 4-bolt main

• Features: With 0.25″ detonation sensor hole on passenger side of block, 9″ in from bellhousing

• Engine Type: Replacement Engine

• Shipping Weight: 600 lbs

• Package Dimensions: 36″ x 36″ x 36″

Emissions Compliance

Non-Emissions: This product does not require an Executive Order in California. By nature of its design, it is legal for sale and use in all 50 states .

VEGE DCH7 Engine FAQs

What vehicles use the VEGE DCH7 engine?

The DCH7 is designed as a direct replacement for 1990-1991 Chevrolet and GMC trucks, SUVs, and vans equipped with the 7.4L/454 big-block V8 (VIN N) .

What’s included with the VEGE DCH7?

The DCH7 comes as an assembled long block including cylinder heads, internal components, oil pump, and gasket. Intake manifold, throttle body, oil pan, valve covers, timing cover, water pump, and harmonic balancer are not included .

What warranty comes with the VEGE DCH7 engine?

VEGE gasoline engines are backed by a comprehensive 3-year / unlimited mileage warranty.

What is the displacement of the DCH7 engine?

The DCH7 has an actual displacement of 7.4L / 454 cubic inches.

What material are the block and heads made of?

The VEGE DCH7 features a cast iron engine block and cast iron cylinder heads .

What type of camshaft does the DCH7 use?

The ATK 059-DCH7 is a stock replacement engine that uses a stock camshaft with hydraulic flat tappet lifters . This is a standard power replacement, not a high-performance engine .

What is the current price and core charge?

Summit Racing lists the DCH7 at $2,594.99** , while JEGS lists it at **$3,335.52 . A core charge of $720.00–$770.00 applies. Contact NH Race Engine for current European pricing and availability.

Why Choose NH Race Engine for Your Big Block Crate Engine?

As a Netherlands-based specialist serving performance enthusiasts across Europe, NH Race Engine brings unmatched expertise to your GM project. We understand the unique requirements of European builds—from shipping logistics to regional considerations. Our team of experienced professionals can guide you through every aspect of your VEGE DCH7 engine purchase.

Browse our Big Block Chevy collection and other crate engine offerings to find the perfect solution for your build. We also offer a complete range of supporting parts—from fuel pumps to transmissions—to ensure your build is comprehensive and reliable.

Order Your VEGE DCH7 Crate Engine from NH Race Engine Today

The VEGE DCH7 Remanufactured Long Block Crate Engine delivers exceptional value for 1990-1991 Chevrolet and GMC truck replacement projects. With VEGE’s industry-leading remanufacturing process, comprehensive 3-year warranty, and NH Race Engine’s European distribution network, you can trust that your replacement engine delivers the quality and reliability you demand.

Contact NH Race Engine today to discuss your DCH7 engine requirements. Our expert team can help you navigate compatibility, shipping, and installation considerations for your European vehicle.