427 CI Whipple 3.8L Sandrail LSX

Wegner’s Sandrail engine package comes ready to deliver 4-digit power to your Sandrail project. Equipped with a custom spec Whipple 3.8L rear inlet supercharger and a 130mm Nick Williams DBW throttle body, the setup is capable of 1300+ HP and 1100+ TQ! Much like our other drop in packages, this engine features the highest quality internals inside a Dart SHP Pro block and CNC ported heads, all controlled by a Holley standalone ECU.  

See the full list of what’s included as well as optional extras under the Features and Options tabs.

Starting at $36,995

Please note - all our engines are built to order - please allow 8-10 weeks for delivery.

Interested in becoming a dealer? Contact us for more information.

Engine Comes Complete with the Following:

• Dart SHP Pro Iron Engine Block or GM LSX Iron Block
• Callies Compstar 8 Counterweight4340 Forged 4" Stroke Crankshaft
• Oliver Billet I Beam Connecting Rods w/ ARP Hardware
• Mahle Supercharger Pistons w/ Anodized Top Ring Groove
• Custom Wegner Grind Hydraulic Roller Supercharger Camshaft
• Calico Coated Clevite H Series Rod and Main Bearings
• HD Timing Set
• 6 Layer MLS Supercharger Head Gaskets
• 12 Point ARP Head Stud Kit
• Wegner CNC Ported 6 Bolt LS3 Cylinder Heads
• Manley Nextek Dual Valve Spring Package w/ Titanium Retainers
• GM LS3 Rocker Bodies w/ CHE Trunnion Upgrade
• HD Heavy Wall Pushrods
• Moroso Front Sump Oil Pan
• FIC 1650cc Matched Rate Fuel Injectors
• 130mm Nick Williams Drive By Wire Throttle Body
• Holley Terminator X Max ECU w/ Drive By Wire
• Coils w/ Harnesses
• Spark Plugs w/ Wires
• Flex Fuel Sensor and Tune
• Whipple 3.8 Liter Supercharger Package
• WAK075 Accessory Drive Kit w/ PS, and 225 Amp Alternator and All Black Pulleys - NO AC Round
• Hidden Coil Valve Covers - Custom Engraved

Optional Extras

• Dart SHP Pro Aluminum Block
• Dailey Engineering 3 Stage Dry Sump Oil System
• Mechman 370amp Alternator
• Custom Paint on Engine/Supercharger