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595 Horsepower Forged LS7 Engine with Stand Alone Harness and Controls
595 Horsepower Forged LS7 Engine with Stand Alone Harness and Controls

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595 Horsepower Forged LS7 Engine with Stand Alone Harness and Controls

List Price: $16,503.75
Our Price: $14,500.00
Savings: $2,003.75
New Build

Not eligible for return. All sales final.  

Quantity in Stock as of :1
Product Code: SMC-LS7-595F
This product must ship freight.
Please email us at sales@smcperformance.com with your full name, complete shipping address and list of parts requested to facilitate a speedy and accurate response.

Description OEM Part - Original Equipment Manufacturer Fitment Notice
New SMC Performance built 595 HP Forged LS7 Engine (427 CU IN) 7.0L with stand alone engine wiring harness and controls This LS7 engine kit comes with all that is pictured. Complete intake to oil pan with engine controls kit (harness with dual fan control relays, FBW pedal assembly, MAF element & mounting plate, 2-02 sensors, custom programmed ECU for stand alone operation) & LS7 engine beauty covers. This is NOT A REMAN.

Horsepower is based on Long tube headers, performance high flow exhaust and high flow air intake.

NOTE: Front dress accessories (ALT, PS and AC) available separate, and not included with this engine. THIS KIT IS NOT EMISSION COMPLIANT.

Call us before you purchase for a freight quote or if you need more information or specs. 248-276-0483 8-4 ET.

SMC Performance has been a leader in the building of performance LSX engines for over 14 years. We offer a wide range of LS2, LS3, LS7, LSA, and LS9 Stand Alone Engine Package for Factory Five Racing GTM, Ultima engine & transmission wiring harness, required engine sensors and ECU to run stand alone. The ECU (Engine Computer) is programmed specific for the engine specs.

All performance built engines are test run on our engine test stand prior to shipment.

Engine Build Specs: Performance upgrades marked in red

11 to 1 static compression
New GM LS7 Aluminum Block Torque plated honed and square decked
New GM LS7 Aluminum Heads (flat cut decks) with Farrea Valves, Dual Patriot Performance valve springs with titanium retainers
Mahle 4032 Forged Flat top pistons, with moly ring pack

New GM LS7 Titanium rods with ARP rod bolts
New GM LS7 forged crankshaft (58X) micro polished and balanced
Mahle Clevite coated Race Series main and rod bearings
New GM LS7 1.8 rocker arms
New custom ground Competition Cams camshaft. SMC Stage 1 with good idle and driveability

New GM LS7 hydraulic roller lifter
ARP head bolts
3/8" Chromoly push rods

New GM LS7 Dry Sump Oil Pan: AN 12 Adapter line fittings.
New GM Intake Manifold Assembly
New GM Ignition coils & wires
New GM gaskets & seals

Please be sure this engine kit will fit your application before purchasing. We will not be held responsible if this does not fit.


$500 deposit at time of purchase through Paypal, or call with Visa, Master Card, or Discover. Balance due within 5 days. Accepted payment method for final payment: Check, Bank Wire, E Check, or Cash on Pickup. Michigan and pick up buyers are subject to a 6% sales tax.


Truck freight to commercial address or local ODFL freight dock. Residential freight deliveries available at additional cots. Customer can pick up at our location in Auburn Hills, MI 48326. Contact me through the website or E Mail Direct to sales@smcperformance.com prior to purchase for a freight quote.


6 month/6,000 mile limited parts warranty. Parts only covered against manufacturers defect for a period of 6 months or 6,000 miles whichever comes first. Warranty void if engine is modified or altered. Example but not limited to. Forced induction, NOX, Modified cylinder heads and programming changes. Warranty does not include removal and replacement labor from the vehicle. All warranty work to be performed by SMC Performance, INC unless pre-approval is obtained by SMC Performance, INC. Warranty non-transferable.

Returns / Exchanges

No returns accepted on engine packages.

Please note: This product is not eligible for return. All sales final on electrical parts. Refer to our Return Policies for more details.

It is the responsibility of the buyer to verify fitment prior to purchase.
Please refer to the part number on the part to be replaced/contact your GM dealer with your VIN and the part number in question to ensure accurate application.

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