See Below How Our Engines Out Beat Our Competitors

↓Engine Specification Sheet↓

Short Block Assembly: Fully machined seasoned 351w Ford roller block Block painted with 3 coats of high temp ceramic engine paint customer’s choice of color  Eagle forged steel crankshaft 4.100 stroke Eagle H-Beam connecting rods with ARP bolts and bushed pins High Performance Pistons (Speed-Pro, Keith Black, SRP, Or Mahle Performance rod and main bearing (Clevite, King or Federal Mogul) Performance rings hand filed to match application ARP main bolts The complete rotating assembly is balanced   Fully Dressed Crate Engine: All the above plus the Following: Three piece double roller timing set Comp Cams custom ground hydraulic roller camshaft Hydraulic roller lifters Pro-Competition performance aluminum cylinder heads 7/16 Screw in studs and hardened guide plates Manley chrome moly push rods Performance roller rockers Melling high volume oil pump and screen Chrome front sump oil pan Chrome dipstick and tube Aluminum timing cover with scale Fel-Pro gaskets Edelbrock aluminum performance intake manifold Chrome thermostat housing to match application Edelbrock carburetor w/electric choke Chrome air cleaner MSD Pro-Billet distributor (Requires MSD 6AL ignition control) MSD Blaster II coil MSD coil bracket Auto-Lite spark plugs Taylor 8mm ignition wires (color of choice Black, Red, Blue, Yellow, Green, Orange no extra charge) Water pump Chrome valve covers with baffles Performance balancer 164 or 157 tooth flex plate (for auto trans) Engines are photo documented during the building process Each engine is tested, timing set and carburetor adjusted for optimum performance We video tape your live run engine and send you a copy Only $8,700    We Are Constantly Running Engine Deals Please Call Us For The Most Up To Date Pricing Or E-Mail Us For More Information!

Upgrade To A March Serpentine Belt Systems Below

Alt Only   Alt/PS   Alt/PS/AC   Upgrade $1,000 Upgrade $1,675 Upgrade $2,100

Holley Carburetor (Includes braided fuel line for carburetor) Add $350 MSD Mini High Torque Starter Add $245     MSD 6AL Ignition Control Add $300 Manual Flywheel Add $375

Ford Racing Double Sump Oil Pan Add $150

The Atomic EFI outshines the competition in ease of installation and performance! The MSD annular ring injection design produces an air/fuel charge with much better mixture as well as an even distribution among the cylinders that our competition cannot match. Better AFRs equal better idle quality, better starting, and better overall drivability throughout the rpm range. You and your engine will be glad when you Go Atomic.  Kit Includes: Throttle Body Assembly (An exact swap for a 4150 Holley) (4) port style injectors EMS (Engine Management System) Comprehensive Instruction Manual All harnesses and connectors (Much less harnessing than other systems) Idle Air Control - Built in to the throttle body  Coolant Temperature Sensor - 3/8-NPT threads for most manifolds Throttle Position Sensor Wideband O2 Sensor and cable (Many competitive units are narrowband) Add $2,700

Custom Painted Engine: Have a custom painted car?  Why not have a custom painted engine?  Give us your paint code and we'll do the rest. Add $300

Webber Stack Induction: Webber Stack Induction Aluminum Intake Manifold Webber 48mm IDA Carburetors Chrome Stacks Webber Carburetor Fuel Line Webber Carburetor Throttle Linkage Add $ Call

Edelbrock Dual Quad's: Performer RPM Dual Quad Air-Gap intake With EnduraShine Finish 2 Thunder Series AVS carburetors With EnduraShine Finish Progressive throttle linkage Fuel line Edelbrock Chrome Dual Carburetor Air Cleaner Add $1,400

Automatic Transmission Package's: The world’s finest transmission packages, custom made for Proformance Unlimited. Each Transmission Package is tailored to your engine, and Test Driven to ensure maximum performance. They build them from Mild to Wild, if you’ve got the horsepower, they have the transmission. C4 Or C6 Add $2,000 AOD Add $2,650

Cobra Valve Cover And Air Cleaner Upgrade Kit: Cobra Valve Covers ** Cobra Air Cleaner Add $275  ** In order for these valve covers to fit engine design, we must use standard style roller rockers with studs and guide plates.

Cobra Engine Package Upgrade Kit: Cobra Valve Covers ** Cobra Air Cleaner March Alternator Only Pulley Kit: Polished Aluminum Alternator Bracket Polished Aluminum Alt, Crank, & Water Pump 6 Grove Serpentine Pulleys 1 Wire Alternator Serpentine Belt Manual Transmission Flywheel 157 or 164 Tooth Add $1,625  ** In order for these valve covers to fit engine design, we must use standard style roller rockers with studs and guide plates.