- Engine type: 351 based small block Ford
- Displacement (cu in): 427
- Bore x stroke (in): 4.125" bore x 4.00" stroke
- Block: Boss 351 9.5 deck
- Crankshaft: SCAT® Forged Steel
- Connecting Rods: SCAT® forged steel H-beam connecting rods and ARP® bolts
- Pistons: Forged Mahle® w/ floating wrist pin
- Camshaft type: Hydraulic Roller
- Camshaft lift (in): .594"/.618"
- Camshaft Duration – intake/exhaust (@.050 in): 242°/248°
- Cylinder Heads: Ford Performance Aluminum "Z2" Cylinder Heads -M-6049-Z2
- Valve size (in): 2.05 intake 1.60 exhaust
- Valve Springs: PAC® 1219X Ovate Beehive
- Compression ratio: 10.5:1 (nominal)
- Rocker arms : Roller Rockers
- Rocker arm ratio: 1.65:1
- Vibration Damper - Ford Performance SFI Approved M-6316-D302
- Valve Covers: Satin black, aluminum with "Ford Racing" script -302-135
- Oil Pan: Steel with deep front sump pan with windage tray / scraper - 9 quart capacity -M-6675-FT351
- Water pump: included long type - standard rotation
- Distributor: not included. MSD distributor #85840 recommended (dist. modifications for intake clearance necessary)
- Recommended fuel: Premium Unleaded
- Ignition timing: 32° at 4,000 RPM
- Maximum recommended rpm: 5,600 RPM
- Balanced: Internally balanced - use neutral balance flywheel (not included)
- Recommended intake: Edelbrock part # 2924 Super Victor (not included)
- Front sump pan fits most kits cars without Mustang II suspension
- New block, oil and water pumps, performance oil pan and high-performance harmonic balancer
- Can be used in kit cars, street rods, Mustangs, cars and trucks
- Water Pump included-standard rotation
- Depending on your application, a different timing cover, water pump, performance oil pan and pickup may be required.
- Engine has a performance front sump oil pan and pickup, standard rotation timing cover, standard rotation water pump and non-EFI valve covers.
- Timing cover will work with most standard rotation water pumps
- Fuel pump eccentric M-6287-B302 installed, allows use of mechanical fuel pump
- Valve covers should fit most non-EFI applications. Optional valve covers sold separately.
- The damper M-6316-D302 may require a spacer for pulley alignment
- Intake manifold not included
- Includes intake gaskets and pilot bearing
- Firing order 1-3-7-2-6-5-4-8 (5.0L HO and 351W firing order)
- Steel distributor gear required
- Shipping weight approximately 570 lbs
- Built with current available parts. Photo and specs may vary.
- Note: Results attained using Edelbrock® Super Victor intake manifold and 770cfm carburetor.
- Engine installation tuning tips can be found HERE
Shipping costs and lead times can vary, use the contact form below to confirm order cost and timeframe.
We have a 30-day return policy, which means you have 30 days after receiving your item to request a return.
To be eligible for a return, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase.
To start a return, you can contact us at brian@paulsautomotiveengineering.com. Please note that returns will need to be sent to the following address: 9750 Conklin Road Blue Ash, OH 45242
If your return is accepted, we’ll send you a return shipping label, as well as instructions on how and where to send your package. Items sent back to us without first requesting a return will not be accepted.
You can always contact us for any return question at brian@paulsautomotiveengineering.com.
Damages and issues
Please inspect your order upon reception and contact us immediately if the item is defective, damaged or if you receive the wrong item, so that we can evaluate the issue and make it right. If we do not receive notice within 7 days of receiving order, we cannot process return.
Exceptions / non-returnable items
Unfortunately, we cannot accept returns on sale items or gift cards.
Exchanges
The fastest way to ensure you get what you want is to return the item you have, and once the return is accepted, make a separate purchase for the new item.
Refunds
We will notify you once we’ve received and inspected your return, and let you know if the refund was approved or not. If approved, you’ll be automatically refunded on your original payment method within 10 business days. Please remember it can take some time for your bank or credit card company to process and post the refund too.
If more than 15 business days have passed since we’ve approved your return, please contact us at brian@paulsautomotiveengineering.com.