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WGP GT-R Assembled Longblocks

We're offering assembled GT-R Longblocks to withstand high horsepower builds.  We rate our 3.8L longblocks at 1000-1200whp provided they have the appropriate supporting modifications. 4.1L longblocks can withstand 1400whp+   


Our Standard 3.8L Longblock Package Includes:

 -Our complete assembled shortblock w/ coated pistons and upgraded pins

-H11 Head Studs

-Tomei Camshafts (Specify Type)

-WGP Spec Cylinder Heads w/ Full Ferrea Valvetrain - Springs, Retainers, Valves (Specify stock or Oversize), etc.  *CNC Ported Heads Available*

-Fully Timed w/ All New Timing Components and All New Gaskets

-Fully Assembled and sealed from Valve Covers to Oil Pan w/ our Signature Black and Gold Powdercoat Finishes (Or custom colors on request)

-T1R Harmonic Dampener

-T1R Oil Pan


Our 4.1L Stroker Longblock includes all of the above but with our 4.1L shortblock at its core


All of our engines are fully balanced, blueprinted, and locally assembled to our specifications.

All assembled engines carry a 1 year warranty from date of shipment if installed in accordance with our procedures and oversight.