408CI 351W-Based SBF Stroker Engine – 450HP High-Torque Crate Motor

The 408CI 351W-based Small Block Ford stroker engine is a powerful, professionally assembled 450 horsepower crate engine designed for builders who want big displacement, massive torque, and proven street reliability. Built from a fully machined 351 Windsor roller block, this engine delivers strong low-end pull with smooth high-RPM performance, making it ideal for street, muscle car, and resto-mod applications.

Each engine is precision-balanced, fully documented during assembly, and backed by a 2-year unlimited mileage warranty.

Engine Overview

• Engine Type: Small Block Ford (351W-based)

• Displacement: 408 Cubic Inches

• Power Output: Approx. 450 Horsepower

• Condition: Brand new, custom-built crate engine

• Applications: Street performance, hot rods, muscle cars, resto-mods

• Warranty: 2-Year Unlimited Miles

Short Block & Rotating Assembly

• Fully machined, seasoned 351W Ford roller block

• Block finished with three coats of high-temperature ceramic engine paint

• Steel stroker crankshaft, 4.00″ stroke (Eagle or Scat)

• Forged I-beam connecting rods (Eagle or Scat)

• Forged performance pistons (Icon, Mahle, or SRP)

• Performance rod and main bearings (Clevite, King, or Federal Mogul)

• Performance piston rings, hand-filed to match application

• ARP main bolts

• Complete rotating assembly professionally balanced

• Three-piece double roller timing set

Camshaft & Valvetrain

• Custom ground hydraulic roller camshaft

• Hydraulic roller lifters

• Chrome moly pushrods

• Performance roller rocker arms

• Screw-in studs with hardened guide plates

This valvetrain combination ensures excellent durability, smooth operation, and strong torque across the RPM range.

Cylinder Heads & Induction System

• High-performance aluminum cylinder heads (AFR or Edelbrock)

• Edelbrock performance intake manifold

• 750 CFM carburetor with electric choke (Edelbrock or Holley)

• Fel-Pro performance gaskets throughout

Designed to maximize airflow while maintaining reliable street manners and crisp throttle response.

Ignition, Fuel & Cooling Components

• MSD Pro-Billet distributor (CDI box required)

• MSD ignition coil with mounting bracket

• Spark plugs and ignition wires included

• Wire looms supplied

• Fuel pump block-off plate

• Thermostat housing matched to application

• Water pump (application-specific)

Oil System & External Components

• Melling high-performance oil pump with screen

• Front sump oil pan

• Aluminum timing cover with timing scale

• Performance harmonic balancer

• Aluminum valve covers with baffles (polished or black)

• Valve cover breathers (polished or black)

• Dipstick and tube

• Oil filter

• 6 quarts of engine oil included

Build Quality & Documentation

• Engines are photo-documented throughout the entire build process

• Built using proven performance components

• Engineered for high torque, long service life, and consistent performance

Ideal Applications

• Classic Ford Mustang, Torino, Fairlane, Bronco

• Street/strip builds

• Hot rods and custom vehicles

• Resto-mods requiring modern V8 power

The 408CI 351W-Based 450HP Stroker Crate Engine delivers big-block-like torque in a compact Small Block Ford package, combining premium components, expert assembly, and a 2-year unlimited mileage warranty—ready to power your next performance build.