Product Summary

350, Deluxe Crate Engine Crate Engine Type

  • 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

Key Specs

BrandSpeedway Motors Racing Engines
Crate Engine TypeDeluxe Crate Engine
Engine Displacement355 cu. in.

Need To Know

Made to Order

This custom item will ship when completed

Truck Ship

Truck shipments must be pre-paid with a credit card, certified check or money order

Quick and Easy Returns

Return Policy


Now, Speedway 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
  • Seasoned stock 4-bolt main block
  • Scat lightweight crank and rods
  • King XP bearings
  • Icon forged pistons
  • Total Seal rings
  • Vortec heads
  • 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.

CARB Warning

For race/ off road use only

Emissions warning: this part only legal for sale or use in California for racing (competition) vehicles which may never be used, registered, or licensed for use upon a public highway. Any other use renders the vehicle tampered and not legal for use on California public highways (any public street or roadway, public dirt road, public park, or publicly maintained right of way open to the use of the public for vehicular travel). Violations subject to $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and the laws of all other states with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine.


BrandSpeedway Motors Racing Engines
Crate Engine TypeDeluxe Crate Engine
Engine Displacement355 cu. in.
Camshaft TypeSolid Flat Tappet
Cylinder Head MaterialCast Iron
Piston MaterialForged Aluminum
Crankshaft MaterialForged Steel
Carburetor IncludedNo
Intake Manifold IncludedYes
Distributor IncludedYes
Connecting Rod MaterialForged 4340 Steel
Valve Covers IncludedYes
Cylinder Heads IncludedYes
Oil Pan IncludedYes
Timing Cover IncludedYes
Water Pump IncludedYes
Harmonic Balancer IncludedYes
Flexplate IncludedNo
Flywheel IncludedNo
Air Cleaner IncludedNo
Spark Plugs IncludedYes
Spark Plug Wires IncludedYes
CNC-Machined Combustion ChamberNo
Intake StyleSingle Plane
Intake MaterialAluminum
Camshaft IncludedYes
BlockSeasoned, stock 4 bolt main
CNC-Machined RunnersNo