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Product Summary

Short Block Crate Engine Type, External Engine Balance

  • Block: OE seasoned 454 block 4 bolt main 1pc seal 1991-1995 Gen V
  • Bore/Stroke: up to 4.310” x 4.200”
  • Displacement: 489/496
  • Crankshaft: Scat 4340 forged 4.250” stroke internally balanced 1pc seal
  • Rods: Scat 4340 forged H beam 6.385” with ARP 8740 bolts
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Key Specs

Crate Engine TypeShort Block
Engine Displacement7.5 liters
Piston MaterialHypereutectic Aluminum
Crankshaft MaterialCast Steel
Connecting Rod MaterialCast Iron
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Need To Know

Truck Shipment

Truck shipments must be pre-paid with a credit card, certified check or money order

Quick and Easy Returns

Return Policy

ATK Engines SP11 Details

Engine Specifications:

  • Block: Seasoned OE 460 1988-1992
  • Bore/Stroke: 4.390" x 3.850"
  • Displacement: 460CI
  • Crankshaft: OE cast iron
  • Rods: OE powder metal
  • Pistons: Hypereutectic -15cc D cup dish
  • Compression Ratios: 76cc = 10.4:1 / 82cc = 9.9:1 / 97cc = 8.8:1 (can vary due to deck height/gasket thickness)
  • Rings: Plasmamoly
  • Camshaft Bearings: Dura-Bond, installed and clocked to OEM position
  • Freeze Plugs: Brass, installed and sealed
  • Oil Galley Plugs: Installed and sealed

Recommended Components:

  • Balancer: External balance
  • Flexplate/Flywheel: External balance
  • Crankshaft spacer: Ford Racing M-6359-D460 (for externally balanced 460)
  • Head Gasket: .039" or per application

Engine Info:

  • Oil: 10W30 Non synthetic for first 3000 miles
  • Oil Filter: Wix or K and N per application

Disclaimer: The recommended components listed are ATK's recommendations of parts to be used, applications vary and your build may need something different. Contact ATK for a recommendation if you're not certain about a component to use. It is the customer's responsibility to verify components will work in their application. Some modifications to the vehicle may be required using these and or other aftermarket parts. . ATK reserves the right to substitute parts used in engines if necessary.

CARB Warning

Follow EPA, CARB, and state regulations for engine changes

Emissions warning: this part is for vehicle engine changes, not direct oem engine replacements. In California, engine changes are legal when done in compliance with California bureau of automotive repairs (bar) engine change policy. For assistance, call bar referee at: (800) 622-7733. And see https://bar.Ca.Gov/consumer/smog_check_program/engine_changes. All customers must comply with federal epa mobile source enforcement memorandum no. 1a (and addendum) and all applicable state regulations when conducting engine changes. Improper installation and/or use of this part in California may subject the installer and/or owner to a $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and laws of all states for use of this engine change part on makes or models of vehicles that render them noncompliant with applicable state and/or federal emission laws with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine

ATK Engines SP11 Specifications

KEY SPECS
MFG. Part #SP11
BrandATK Engines
Crate Engine TypeShort Block
Engine Displacement7.5 liters
Piston MaterialHypereutectic Aluminum
Crankshaft MaterialCast Steel
Connecting Rod MaterialCast Iron
Engine BalanceExternal
Rear Main Seal Style2-piece
Oil Pan IncludedNo
Timing Cover IncludedNo
GENERAL
AssembledYes
Material TypeCast Iron
NotesPiston has a D-shaped cup.
Sold in QuantityEach
Connecting Rod Beam StyleI-Beam
Deck Height10.322"
Piston StyleDish