347CI SBF 425HP Crate Engine – Custom Built, Balanced & Ready to Run

The 347CI SBF 425HP Crate Engine is a professionally assembled, high-output Small Block Ford stroker built for serious street performance, resto-mods, and muscle car projects. Using a seasoned 302 block and premium internal components, this engine delivers strong horsepower, excellent torque, and reliable street manners, all in a complete turnkey package.

Every engine is fully assembled, precision balanced, and photo-documented throughout the build, giving buyers confidence in workmanship and component quality. Backed by a 2-year unlimited mileage warranty, this crate engine is designed for power without compromise.

Engine Overview

• Engine Type: Small Block Ford (SBF)

• Displacement: 347 Cubic Inches

• Output: Approx. 425 Horsepower

• Condition: Brand new, custom-built crate engine

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

• Warranty: 2-Year Unlimited Mileage Warranty

Premium Short Block Assembly

• Fully machined, seasoned 302 engine block

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

• Steel stroker crankshaft, 3.400″ stroke (Eagle or Scat)

• I-beam connecting rods (Eagle or Scat)

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

• Performance rod & 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 provides strong low-end torque, aggressive mid-range power, and smooth street drivability.

Cylinder Heads & Induction System

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

• Fel-Pro performance gaskets throughout

• Edelbrock performance intake manifold

• Edelbrock 750 CFM carburetor for crisp throttle response and efficient airflow

Ignition, Fuel & Cooling Components

• MSD Pro-Billet distributor (requires MSD 5520 ignition box)

• MSD ignition coil with mounting bracket

• Spark plugs and ignition wires

• Wire looms included

• Fuel pump block-off plate

• Thermostat housing matched to application

• Water pump (application-specific)

Oil System & Engine Accessories

• Melling high-volume 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 oil included

Build Quality & Documentation

• Engines are photo-documented during every stage of the build

• Assembled using proven performance combinations

• Designed for durability, power, and long service life

Ideal Applications

• Classic Ford Mustangs, Fairlanes, Falcons

• Street/strip builds and performance street cars

• Hot rods and custom builds

• Resto-mods requiring modern power in a classic package

The 347CI SBF 425HP Crate Engine offers big power, premium components, and professional craftsmanship in a complete, ready-to-install package. With 425 horsepower and a 2-year unlimited mileage warranty, this engine is built for enthusiasts who demand performance, reliability, and value.