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ATK SP44 Chevy 540CI Short Block -10cc Dome Pistons

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#35020059

ATK SP44 Chevy 540CI Short Block -10cc Dome Pistons

Oil: Conventional / Non Synthetic 10W30
Oil Filter: Wix or K&N
Timing: 34-36 Degrees

$7,899.99

/each

Factory Shipped

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Product Summary

Short Block Crate Engine Type, No Value Engine Balance

Oil: Conventional / Non Synthetic 10W30
Oil Filter: Wix or K&N
Timing: 34-36 Degrees
Spark Plug Gap: .035”

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Key Specs

Crate Engine Type	Short Block
Engine Displacement	540 cu. in.
Camshaft Type	Hydraulic Roller
Piston Material	Forged Aluminum
Crankshaft Material	Forged 4340 Steel

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Need To Know

Made to Order

This custom item will ship when completed

Truck Shipment

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

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ATK Engines SP44 Details

Engine Specifications:

Block: Dart Big M Sportsman 4 bolt main 2pc rear main seal

Bore/Stroke: 4.500” x 4.250”

Displacement: 540CI

Crankshaft: Manley 4340 forged internally balanced

Rods: Manley 4340 forged H beam with ARP 8740 bolts

Pistons: 2618 Forged +10cc dome with single valve relief

Compression Ratios: 112cc = 10.9:1 / 118cc = 10.4:1 / 121cc = 10.2:1 (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: Internal balance

Flexplate/Flywheel: Internal balance

Head Gasket: .038” or per application

Engine Info:

Oil: 10W30 Conventional / 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.

Guides & Documents

Warranty (ATK Engines)

Technical Information (ATK Engines)

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

CA WARNING:

Can expose you to lead, a carcinogen and reproductive toxicant. See www.P65Warnings.ca.gov

CARB warning

ATK Engines SP44 Specifications

KEY SPECS
MFG. Part #	SP44
Brand	ATK Engines
Crate Engine Type	Short Block
Engine Displacement	540 cu. in.
Camshaft Type	Hydraulic Roller
Piston Material	Forged Aluminum
Crankshaft Material	Forged 4340 Steel
Carburetor Included	No
Intake Manifold Included	No
Distributor Included	No
Connecting Rod Material	Forged 4340 Steel
Valve Covers Included	No
Cylinder Heads Included	No
Throttle Body Included	No
Timing Cover Included	No
Oil Pan Included	No
Water Pump Included	No
Harmonic Balancer Included	No
Flexplate Included	No
Flywheel Included	No
Air Cleaner Included	No
Spark Plugs Included	No
Spark Plug Wires Included	No
Computer Included	No
Wiring Harness Included	No

GENERAL
Bore x Stroke (in)	4.50" x 4.25"
Assembled	Yes
Material Type	Cast Iron
Sold in Quantity	Each
Connecting Rod Beam Style	H-Beam
Piston Style	Dome

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1973-1974 Chevy K20 Suburban

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1985 Chevy K20 Suburban

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396 Chevy Big Block V8

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396 Chevy Big Block V8

1971-1972 GMC C25/C2500 Suburban

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1973-1974 GMC C25/C2500 Suburban

454 Chevy Big Block V8

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1988-1991 GMC C2500

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1979-1986 GMC C2500 Suburban

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1971-1972 GMC K25/K2500 Suburban

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1967-1970 GMC K35/K3500 Pickup

396 Chevy Big Block V8

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