M-F 9AM - 8PM EST

Sat 11AM - 4PM EST

Flat Rate Shipping (Commercial address)         Up to 5 Years Unlimited Mile Warranty         Excellent Customer Support         No Core Charge for 30 Days (Transmissions Only)         Flat Rate Shipping (Commercial address)         Up to 5 Years Unlimited Mile Warranty         Excellent Customer Support         No Core Charge for 30 Days (Transmissions Only)         Flat Rate Shipping (Commercial address)         Up to 5 Years Unlimited Mile Warranty         Excellent Customer Support         No Core Charge for 30 Days (Transmissions Only)         Flat Rate Shipping (Commercial address)         Up to 5 Years Unlimited Mile Warranty         Excellent Customer Support         No Core Charge for 30 Days (Transmissions Only)         Flat Rate Shipping (Commercial address)         Up to 5 Years Unlimited Mile Warranty         Excellent Customer Support         No Core Charge for 30 Days (Transmissions Only)         Flat Rate Shipping (Commercial address)         Up to 5 Years Unlimited Mile Warranty         Excellent Customer Support         No Core Charge for 30 Days (Transmissions Only)         
Find Your Part
Part type:
Engine
Make:
Model:
Year:
Flat Rate Shipping (Commercial address)         Up to 5 Years Unlimited Mile Warranty         Excellent Customer Support         No Core Charge for 30 Days (Transmissions Only)         Flat Rate Shipping (Commercial address)         Up to 5 Years Unlimited Mile Warranty         Excellent Customer Support         No Core Charge for 30 Days (Transmissions Only)         Flat Rate Shipping (Commercial address)         Up to 5 Years Unlimited Mile Warranty         Excellent Customer Support         No Core Charge for 30 Days (Transmissions Only)         Flat Rate Shipping (Commercial address)         Up to 5 Years Unlimited Mile Warranty         Excellent Customer Support         No Core Charge for 30 Days (Transmissions Only)         Flat Rate Shipping (Commercial address)         Up to 5 Years Unlimited Mile Warranty         Excellent Customer Support         No Core Charge for 30 Days (Transmissions Only)         Flat Rate Shipping (Commercial address)         Up to 5 Years Unlimited Mile Warranty         Excellent Customer Support         No Core Charge for 30 Days (Transmissions Only)         
Best Price Guarantee
Best Price Guarantee

Filters
Engine
Flat Rate Shipping (Commercial address)
Up to 5 Years Unlimited Mile Warranty
Excellent Customer Support
No Core Charge for 30 Days
(Transmissions Only)

1981 Mercury Cougar Engine

Options: 5.0L (VIN F, 8th digit) SKU: e-r-n_55355-6
mainRemanufactured
  • thumbnail-0
  • thumbnail-1
  • thumbnail-2
  • thumbnail-0
  • thumbnail-1
  • thumbnail-2
Stage 1 Long Block HP: 300 • TQ: 336 • Block: Seasoned OE roller block • Bore/Stroke: 4.040 x 3.000 • Displacement: 302CI • Engine block, pistons, and connecting rods. Assembled cylinder heads and camshaft. Valve
No-Fault 5 Year Unlimited Miles - Included* - Free (Personal Use)
Build Time:Call for Shipping Time
Sale Price:$4178.00$3978.00
Core Deposit (Refundable)$350.00
Shipping (Free Core Return)$299.00
Due Today$4627.00
Your Cost After Core Return$4277.00

Share
Speak With A Specialist Now(888) 412-2772

Product Upgrades

Engine Specifications: • HP: 300 • TQ: 336 • Block: Seasoned OE roller block 1987-1995 • Bore/Stroke: 4.040 x 3.000 • Displacement: 302CI • Crankshaft: OE 1 Piece seal external balance 50oz • Rods: OE • Pistons: Hypereutectic 9.1:1 compression • Rings: Moly • Camshaft: Hyd. roller • Cam Specs: 219/219 @50.498in/.498ex 110LSA • Timing Chain: Double roller • Cylinder Heads: OE E5TE/E7TE 62cc 1.77/1.46 • Rocker Arms: Stamped steel 1.6 pedestal mount rockers • Oil Pan: Fox body (mustang dual sump) • Oil Pump: Melling STD volume Recommended Components: • Balancer: External balance 50oz • Flexplate/Flywheel: External balance 50oz • Intake Manifold: Weiand dual Plane #8020 or factory 1987-1995 mustang EFI intake • Fuel Injection: Will not work with Ford factory speed density EFI or F-Series Trucks, Broncos or Vans. If installed in a 1987-1995 Mustang you must tune the ECM • Carburetor: Edelbrock thunder series 650CFM #1806 • Fuel Pump: Holley Mechanical 110GPH #12-289-11 or Factory Electric if installed in 1987-1995 Mustang • Distributor: MSD Pro Billet RTR #8352 (Iron Gear) or Factory • Spark Plugs: Autolite #24 • Spark Plug Wires: MSD 8mm #5541 • Water Pump: OE Per Application/Factory Engine Info: • Oil: 10W30 • Oil Filter: Wix or K&N • Timing: 34-36 Degrees (vacuum port plugged on carburetor) • Spark Plug Gap:.035” • Firing Order: 13726548 • Octane: 91+ • Stall Converter: Stock • Exhaust: 1 5/8 Headers

Remanufactured Engine Overview

    Best Price Guarantee

    We guarantee the best prices! Our confidence in our pricing means we'll match or beat any competitor's price. This promise is valid when comparing the total cost, including price, shipping, tax, warranty, labor, core policy, and price after core return. This price match guarantee is exclusive to our remanufactured products.

    Speak With A Specialist Now
    Habla con un especialista ahora

    California Proposition 65 Warning: This product can expose you to chemicals including chromium (hexavalent compounds), which are known to the State of California to cause cancer and reproductive harm. www.P65Warnings.ca.gov