Product Description
LS3 427ci 670hp Naturally Aspirated | Long Engine | Blueprinted
LS3 427ci 670hp Naturally Aspirated | Long Engine | Blueprinted

Our LSX Performance Parts Custom built LS 427ci Blueprinted Stroker Engine is built with a purpose - To produce the highest performing stroker to suit your street/strip needs.
Our Blueprinted Engine range is developed in house & Dyno Tested on the latest Superflow Engine Dyno to produce real results without the guess work.
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.
All internals are of the highest quality American Forged steel & all fasteners are the one & only ARP.
Your New LS3 427ci Blueprinted Stroker Engine Package Includes
Block:
- GM LS3 6.2 Aluminum Engine Block
Rotating Assembly:
- NVE forged crankshaft or Compstar Forged Stroker Crank | 4.100" Inch | 58x Reluctor
- Callies Compstar Forged H beam Conrods | 6.125" Inch
- Carillo Bullet Custom Flat Top Pistons Set | 4.070" With Valve Reliefs
- ACL Race Series Conrod Bearings
- ACL Race Series Main Bearings
- Coated Cam Bearings
Camshaft & Valvetrain:
- Custom Grind Hydraulic Roller N/A Stroker Camshaft (specs to be provided upon purchase)
- Billet Timing Chain Set
- Melling High Volume Oil Pump
- LS7 Lifters Set
- Lifter Guides & Bolts
- MLS Head Gaskets Set
- Chromoly Pushrods Set
Cylinder Heads:
- LS3 Cylinder Heads
- CNC Ported Intake Runners
- CNC Ported Exhaust Ports
- CNC Ported Combustion Chambers
- Machined Deck Surfaces
- .660" Lift Dual Valve Spring Kit
- Titanium Retainers
- Hollow Stem Stainless Steel Intake Valves
- Stainless Steel Exhaust Valves
- GM LS3 Intake & Exhaust Rockers
- Rocker Trunnion Bearing Upgrade
Fasteners:
- ARP Cam Bolts
- ARP Harmonic Balancer Bolt
- ARP Oil Pump Bolts
- ARP Head Bolts
- ARP Main Stud Kit
- Oil Pick Up Support Bracket
Covers:
- LSX Billet Valley Plate
- GM LS Timing Cover
- GM LS Rear Plate
- LSX Billet Rocker Covers
- Rear Hump Oil Pan
- Oil Pick Up & Support
- Aluminium Windage Tray
- Underdriven Harmonic Balancer
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
Want To Speak To Us About Your New Stroker Package?