Description

Crate Buster Chevy 355 Oval Track Engine – 545 HP & 517 ft/lbs Torque!

Dominate the track with the MR Auto Group Motors “Crate Buster” Chevy 355 Racing Engine!

The MR Auto Group Motors “Crate Buster” Chevy 355 Oval Track Engine is a race-ready performance powerhouse built to outperform factory crate engines. Featuring a Dart High-Performance Block, forged internals, and race-tuned camshafts, this engine offers explosive acceleration, high-rev durability, and optimized fuel combustion for dominance on the track.

Each engine undergoes a proprietary dyno break-in process, ensuring maximum performance from the first lap!

What’s Included in the Engine?

✅ Dart High-Performance 4-Bolt Main Block – Ensures maximum strength under high RPM loads
✅ Scat Lightweight Crank & Rods – Reduces rotating mass for faster acceleration
✅ Mahle Power Pak Pistons & Total Seal Rings – Provides high compression & leak-proof sealing
✅ Dart Cylinder Heads with Comp Cams Roller Rockers – Maximizes airflow & combustion efficiency
✅ Custom Flat Tappet Camshaft – Tuned for optimal racing performance
✅ Edelbrock Intake Manifold – Enhances fuel-air mixture for peak power output
✅ Champ-Style Oil Pan – Provides superior oil management under racing conditions
✅ MSD Distributor – Ensures precise ignition timing for maximum power
✅ Dyno-Tested & Tuned – Each engine includes a dyno sheet for proven horsepower & torque

⚠️ EXCLUDES Carburetor, Air Cleaner, Flywheel, and Flexplate.

Technical Specifications

Engineered for high-performance racing applications!

Fitment & Compatibility

✔ Perfect for Oval Track, IMCA, and Dirt Racing Applications
✔ Built for High-Performance Small Block Chevy Race Cars
✔ Compatible with Race-Ready Fuel & Ignition Systems

Ensure compatibility with your vehicle and racing class before purchasing.

Installation Notes & Recommendations

Professional Installation Recommended – Ensures optimal fitment and performance
⚙️ Requires a Properly Tuned Carburetor & Fuel System for Alcohol Racing
Dyno-Tuned for Maximum Performance – No Further Break-In Required

⚠️ Check vehicle compatibility before ordering!

❓ Frequently Asked Questions (FAQ)

What makes this engine different from a GM 604 crate engine?

• The “Crate Buster” 355 delivers more horsepower (545 HP vs. 400 HP) and torque (517 ft/lbs vs. 400 ft/lbs) compared to the GM 604, thanks to forged internals, better cylinder heads, and custom cam tuning.

Is this engine legal for IMCA competition?

• Yes! This engine is IMCA-approved and ready for sanctioned oval track racing.

What fuel does this engine require?

• This engine is designed for alcohol fuel to maximize power output and cooling efficiency.

Does this engine come with a warranty?

• Yes, it includes a limited race-use warranty (see manufacturer for details).

Do I need to break in the engine before racing?

• No, this engine is already dyno-verified and broken in using a proprietary dyno program.

Order Your MR Auto Group Motors “Crate Buster” Chevy 355 Oval Track Engine Today!

Upgrade your race program with the MR Auto Group Motors “Crate Buster” 355 Racing Engine!

✔ 545 HP & 517 ft/lbs Torque – Race-Ready Performance
✔ Forged Internals & High-Performance Components
✔ IMCA-Approved for Sanctioned Oval Track Racing
✔ Dyno-Tuned & Verified for Maximum Power

ORDER NOW & TAKE YOUR RACING TO THE NEXT LEVEL!

• This 355 oval crate engine produces an astonishing 545 HP and 517 ft/lbs. of torque on alcohol
• Features a seasoned stock 4-bolt main block and scat lightweight crank and rods
• They are dyno-verified and every motor comes with a dyno sheet
• The piston rings are broken-in using a proprietary dyno program
• Comes with Vortec heads roller rockers.

MR Auto Group Crate Buster Small Block Chevy 355 Oval Track Engine details

Now, MR Auto Group Motors Racing Engines is offering this Chevy 355 “Crate Buster” racing crate engine as a dyno-verified package that is ready to race! The Crate Buster 355 is a great alternative to the GM 604 crate engine.

• 545 HP
• 517 ft/lbs on alcohol
• 3 lbs more than a 604 crate
• Dart High Performance 4-bolt main block
• Scat lightweight crank and rods
• King XP bearings
• Mahle Power Pak pistons
• Total Seal rings
• Dart heads
• Comp Cams Roller rockers
• Custom flat tappet camshaft
• Edelbrock intake
• Champ style oil pan
• MSD distributor
• Dyno-verified horsepower and torque
• Dyno sheet for your motor is included
• Piston rings are broken-in using a proprietary dyno program
• Lash and timing are individually tuned
• IMCA approved

Note: Engine component manufacturer subject to change based on availability.