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High Performance Crate Engine Jeep L6 4.7L / 275HP / 320TQ
Product Discontinued
ATK ENGINESPART NUMBER: 059-HP86

High Performance Crate Engine Jeep L6 4.7L / 275HP / 320TQ

Currently Unavailable

This product is no longer available. Please call customer service for assistance at 1-800-345-4545.

1987-1990 Jeeps
    High Performance Crate Engine
  • Jeep L6 4.7L Baja Stroker / 275HP / 320TQ
  • 1987-1990 All Jeep Models
  • Not a replacement for 4.2L
  • 4.0L Stroker
  • Base Engine

    Engine Info

      • Exhaust: Headers/Performance exhaust
      • Firing Order: 153624
      • Octane: 91+
      • Oil: 10W30 (Conventional / Non Synthetic) with zinc additive for first 3000 miles
      • Oil Filter: Wix or K&N
      • Spark Plug Gap: .035"
      • Stall Converter: Stock
      • Timing: Factory settings

    Recommended Components

      • Balancer: OE
      • Intake Manifold: OE
      • Flexplate/Flywheel: OE
      • Fuel Injectors: 24lb injectors
      • Fuel Pump: OE
      • Ignition: OE ignition system
      • Spark Plugs: Autolite #417-AP3924
      • Spark Plug Wires: OE
      • Throttle Body: 62mm performance throttle body
      • Water Pump: OE Per application

      Notes: This engine REQUIRES A piggy back chip or chassis dyno tun, 24lb injectors, 62mm throttle body, header, and full performance exhaust to function properly. Failure to do so can result in damage to the engine.

    Disclaimer: Power figures can vary based on parts used by the end user. Some modifications to the vehicle may be required using these and or other aftermarket parts.

    Please CLICK HERE for ATK Warranty

Part TypeEngine
BrandATK ENGINES
Package Height36.0
Package Width36.0
Package Length36.0
Weight381.0 PG
Part CategoryPerformance Parts
Vendor Part NumberHP86
Package Qty1
Package TypeEA
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