**In Stock** 650hp LS3 Forged Naturally Aspirated Engine | Long Motor

In Stock LS3 377ci Forged High Comp Race Engine | Long Motor
Our LSX Performance Parts Custom built LS 377ci LS3 Forged Engine is built with a purpose - To produce the highest performing N/A stock stroke package to suit your race needs.
This engine package is perfect for racing categories that hold cubic inch & stroke limitations such as improved racing IPRA and similar.
We have developed and tested this combo to produce proven race winning results to keep your motorsport program competitive, reliable and low maintenance!
We only use the best products on the market that have been tried, Tested & Proven to produce the results that our customers expect.
All internals are of the highest quality American Forged steel & all fasteners are the one & only ARP.

Your New LS3 377ci Forged Engine Package Includes
- GM LS3 6.2 Aluminum Engine Block;
- Stock Stroke 3.625" Inch Crankshaft | 58x Reluctor;
- Manley Forged H beam Conrods | 6.125" Inch;
- Carillo Bullet Dome Top Pistons Set | 4.070" (.005" Thou Oversized);
- Clevite Race Series Conrod Bearings;
- Clevite Race Series Main Bearings;
- Coated Cam Bearings;
- Custom Grind Hydraulic Roller Naturally Aspirated Camshaft;
- Billet Double Row Timing Chain Set;
- Melling High Volume Oil Pump;
- GM LS7 Lifters Set;
- Lifter Guides & Bolts;
- MLS Head Gaskets Set;
- Head Bolts Set;
- Chromoly Pushrods Set;
- LS3 Cylinder Heads;
- CNC Ported Intake Runners;
- CNC Ported Exhaust Ports;
- CNC Ported Combustion Chambers;
- Machined Deck Surfaces;
- .660" Lift Dual Valve Spring Kit;
- LS3 Intake & Exhaust Valves;
- CHE Rocker Trunnion Bearing Upgrade;
- ARP Cam Bolts;
- ARP Harmonic Balancer Bolt;
- ARP Oil Pump Bolts;
- Oil Pick Up Support Bracket;
- GM LS Timing Cover;
- GM LS Rear Plate;
- Block Deck Machined To Zero Deck Height;
- Cylinder Bores CNC Machined & Torque Plate Honed;
- Align Hone Main Tunnel;
- De-Burred Oil Galleries;
- Stroker Clearance Bores;
- Balance Rotating Assembly;
- Blueprinted Bearing Clearances;
- Dummy assembly;
- Final assembly;

Want To Speak To Us About Your New Engine Package?
Sure! Give us a call on
(03)8595 4343
OR Simply click
Get In Touch
& schedule a time that best suits you. We will have one of our sales consultants contact you at your convenience.
Alternatively, We are available for live chat NOW.

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Shop with confidence with free freight Australia wide & discounted pricing.