LSR 427ci Boosted Stroker Motor

The key to a quality build is starting with the right foundation, That is why we only use the very best for our line of Race Engines.

Utilising the lightest high performance LS based engine block, LSX Performance Parts has put together your new premium race engine with proven, All American performance components.

Your new LSR 388ci engine is designed specifically to suit big horsepower & high RPM boosted applications!

Your New LSR 427ci Boosted Engine Features

Block:

Concept Performance LSR Block

Rotating Assembly:

Callies Forged 8 CCW Stroker Crank | 4.00" Inch | 58x Reluctor
Wiseco Boostline I beam Conrods | 6.125" Inch
Diamond Racing Dish Top Pistons Set | 4.125" Inch with Valve Relief
Upgraded Wrist Pins
ACL Race Series Conrod Bearings
ACL Race Series Main Bearings
Coated Cam Bearings

Camshaft & Valvetrain:

Custom Grind Hydraulic Roller Supercharger Camshaft
Billet Timing Chain Set
Melling High Volume Oil Pump
High RPM LS7 Lifters Set
Lifter Guides & Bolts
MLS Head Gaskets Set
Chromoly Pushrods Set
LS7 Rocker Arms
CHE Rocker Trunnion Upgrade | Bush Bearing

Cylinder Heads:

Frankenstein "F Series" 10 Degree Cylinder Heads
CNC Ported Intake Runners | 285cc
CNC Ported Exhaust Ports
CNC Ported Combustion Chambers
Machined Deck Surfaces
.700" Lift PAC Racing Dual Valve Spring Kit
Titanium Retainers
Victory 1 Stainless Steel Intake Valves | 2.200" Inch
Victory 1 Stainless Steel Exhaust Valves | 1.615" Inch
CHE Bronze Valve Guides

Fasteners:

ARP Cam Bolts
ARP Harmonic Balancer Bolt
ARP Oil Pump Bolts
ARP Head Stud Kit
ARP Main Stud Kit
Oil Pick Up Support Bracket

Covers:

LSX Billet Valley Plate
GM LS Timing Cover
GM LS Rear Plate
Optional Moroso Oil Pan add $890
Frankenstein Custom Rocker Covers
*Optional Coil Mounts for coil mounting on 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

This motor is purpose built for serious horsepower featuring internals the highest quality engine internals to ensure a reliable street/race engine combination.

This combination features our latest design hydraulic camshaft (which specs will be provided to the buyer).

The Short motor is assembled using custom Diamond racing which feature CNC machined piston crown & straight wall gudgeon pin upgrade.

The motor can have Engine Dyno & Ring Bed In Process completed so it is ready to drop in and fire up.

Want To Speak To Us About Your Finance Options?

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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.