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#12135503
$13,157.99
/each
Made to Order
This is a custom fabricated part. We estimate this item will ship on or before November 30th.
Quantity
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Deluxe Crate Engine Crate Engine Type, Oil Pan Included
| Crate Engine Type | Deluxe Crate Engine |
| Compression Ratio | 9.0:1 |
| Engine Displacement | 360 cu. in. |
| Camshaft Type | Hydraulic Roller |
| Cylinder Head Material | Cast Iron |
Made to Order
This custom item will ship when completed
Truck Shipment
Truck shipments must be pre-paid with a credit card, certified check or money order
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855.313.9176Quick and Easy Returns
Return PolicyIMCA Modified rules for 2025 allow for a new “spec” engine. Racers running a spec engine are allowed the same spoiler as those running a crate in an unsealed, user serviceable engine with a hydraulic roller camshaft. Speedway Motors Racing Engines worked closely with IMCA to develop this engine package.
This is the engine that racers have been asking for. It’s an alternative to the sealed crate motors that still has a roller camshaft, unlike the flat tappet cam required in the claim engine. Plus, Modified racers running the new IMCA spec engines are allowed the same rear spoiler as those running a crate. Per the IMCA Modified spec engine rules, Speedway Motors Racing Engines spec engines are based on stock roller cam blocks and displace between 355 and 360-inches. Each engine uses 3.480” stroke stock-appearing steel crankshaft, IMCA-approved SCAT Pro-Series connecting rods, and forged flat-top pistons yielding the required 9.0:1 compression ratio.
IMCA-approved Dart cast iron cylinder heads are assembled by Speedway Motors Racing Engines using Ferrea hollow-stem valves and the same beehive valve springs used in the 604 crate engine (or Melling VS2254 alternative) per the IMCA spec engine rules. Speedway Motors spec engines use a custom grind Comp cam selected for a balance of power and drivability along with OE-style hydraulic roller lifters for low-maintenance dependability. Each engine is topped with an MSD Pro Billet distributor and the required Edelbrock 2975 Victor Jr. single plane intake manifold. Spec engines are designed to run methanol fuel only.
Speedway Motors Racing Engines worked closely with IMCA to develop the spec engine as a more powerful, unsealed alternative to the 604 crate. An emphasis has been placed on an engine that makes more power and torque than the crate, but retains the drivability that crate motor racers are used to.
All of this is assembled by the crew at Speedway Motors Racing Engines with the same expertise and precision that has won countless track and national championships in everything from Stock Cars to 410 Sprints. Each engine is broken in on the dyno using a proprietary program and then tuned to guarantee the power and reliability to put you at the front of the pack, night after night.
This engine is sold as a race engine and does not carry any warranty.
Follow EPA, CARB, and state regulations for engine changes
CA WARNING:
Can expose you to lead, a carcinogen and reproductive toxicant. See www.P65Warnings.ca.gov
| KEY SPECS | |
|---|---|
| MFG. Part # | 12135503 |
| Brand | Speedway Motors Racing Engines |
| Crate Engine Type | Deluxe Crate Engine |
| Compression Ratio | 9.0:1 |
| Engine Displacement | 360 cu. in. |
| Camshaft Type | Hydraulic Roller |
| Cylinder Head Material | Cast Iron |
| Piston Material | Forged Aluminum |
| Carburetor Included | No |
| Intake Manifold Included | Yes |
| Distributor Included | Yes |
| Connecting Rod Material | Steel |
| Valve Covers Included | Yes |
| Cylinder Heads Included | Yes |
| Rear Main Seal Style | 1-piece |
| Throttle Body Included | No |
| Timing Cover Included | Yes |
| Oil Pan Included | Yes |
| Water Pump Included | No |
| Harmonic Balancer Included | Yes |
| Flexplate Included | No |
| Flywheel Included | No |
| Air Cleaner Included | No |
| Spark Plugs Included | Yes |
| Spark Plug Wires Included | Yes |
| Computer Included | No |
| Wiring Harness Included | No |
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