Product Description

LS 403ci L98 Stroker Engine Upgrade | High Compression | Long Engine

Build Your Own - 403ci L98/L77/LS2 Forged Engine Upgrade | Long Motor | High Compression

Our LSX Performance Parts Custom build your 6.0 litre into one of our Forged Engines built with a purpose - To produce the highest performing engine package to suit your street/strip needs. 

we take your existing 6.0 engine and completely take it down to a bare block which is CNC machined and built with the highest quality ALL American forged internals.

No matter your plans or direction for the combination, We will cater for your high compression torque monster OR your boosted beast, While ensuring the highest quality American forged finish for that added peace of mind.

This engine package is perfect for the following -

• Drift Car
• Drag Car
• Street/Strip Car
• Tough Cruiser
• Hillclimb Car
• Touring Car
• Much more...

We only use the best products on the market that have been tried, Tested & Proven to produce the results that our customers expect.

Your New LS 403ci Forged Engine Upgrade Package Includes

Block:

• YOUR GM LS 6.0 Aluminum Engine Block

Rotating Assembly:

• Forged 4340 Stroker Crank | 4.00" Inch | 24x OR 58x Reluctor (Please specify upon purchase)
• Forged 4340 H beam Conrods | 6.125" Inch
• Forged 2618 Pistons Set | 4.005" With Valve Relief
• Race Series Conrod Bearings
• Race Series Main Bearings
• Coated Cam Bearings

* Rotating assembly (Crank, Rods & Pistons subject to availability of particular brands at the time of order. We stock Callies, K1, X2i, Manley, Molnar, Scat, Texas Speed, Carrillo, JE, SRP, Wiseco, Mahle, Lunati etc)

Camshaft & Valvetrain:

• Hydraulic Roller N/A Stroker Camshaft (we will work with you to choose based off your application)
• Billet Timing Chain Set 
• Melling High Volume Oil Pump
• LS7 Lifters Set
• Lifter Guides & Bolts
• MLS Head Gaskets Set
• Chromoly Pushrods Set
• YOUR LS3 Rocker Arms with Bronzed Bush Trunnion Upgrade

Cylinder Heads:

• YOUR Cylinder Heads
• CNC Ported Intake Runners
• CNC Ported Exhaust Ports 
• CNC Ported Combustion Chambers
• Machined Deck Surfaces
• .660" Lift Dual Valve Spring Kit
• Intake & Exhaust Valves

Fasteners:

• ARP Cam Bolts
• ARP Harmonic Balancer Bolt
• ARP Oil Pump Bolts
• ARP Head Bolts
• Oil Pick Up Support Bracket

Covers:

• LSX Billet Valley Plate
• GM LS Timing Cover
• GM LS Rear Plate 
• Optional LSX Billet Rocker Covers

Machining: 

• Block Deck Machined To Zero Deck Height
• Cylinder Bores 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

NOTE: This is NOT available as a changeover. Your engine MUST be supplied in good working order to be built!  

Want To Speak To Us About Your New Stroker Upgrade 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.

Buy NOW!

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