SoCal Diesel

SFI Approved SoCal Super Damper LML    SoCal Diesel is proud to introduce the Super Damper for GM Duramax Diesel Engines. The Super Damper provide...

SFI Approved SoCal Super Damper 2006 - 2010    SoCal Diesel is proud to introduce the Super Damper for GM Duramax Diesel Engines. The Super Damper...

SFI Approved SoCal Damper 2001 - 2005    SoCal Diesel is proud to introduce the Super Damper for GM Duramax Diesel Engines. The Super Damper provi...

SoCal Diesel is proud to introduce the Super Damper for GM Duramax Diesel Engines. The Super Damper provides balanced dampening of torsional crank...

SoCal Diesel L5P Chromoly Pushrods

This is the strongest Duramax crankshaft available today. SoCal Diesel leads the field once again with this pioneering Duramax rod journal geometry...

For years high performance Duramax diesel engines have suffered from water pump failures.  As the rpm limits have been pushed higher and higher, li...

Factory Dampers are a slip fit which has a tendency to shear the alignment pin on high HP engines.  The Super Damper features a press fit on to the...

Fits 2011 - 2015 LML applications with V-band style flange. 3" diameter 304 stainless steel material for superior thermal qualities. Far superior ...

Fits 2015.5 - 2016 LML applications with 3 bolt flange. 3" diameter 304 stainless steel material for superior thermal qualities. Far superior to 4...

Fits 2004.5 - 2010 LLY - LBZ - LMM applications. 3" diameter 304 stainless steel material for superior thermal qualities. Far superior to 409ss or...

The SoCal Diesel Valve Cover Grommet Delete Kit is 100% stainless steel for maximum corrosion resistance. The kit contains precisely engineered bol...

The SoCal Diesel Valve Cover Grommet Delete Kit is 100% stainless steel for maximum corrosion resistance. The kit contains precisely engineered bol...

SoCal Diesel Billet Water Pump Block Off Plate

OEM main caps tend to collapse in on themselves when subjected to high horsepower. As the cap collapses, the dimension across the parting line bec...

For 2017 - 2021 Duramax L5P engines. SoCal Diesel’s Billet Flexplates are lighter and stronger than stock. They meet the new SFI 29.3 specificatio...

SoCal Diesel’s Billet Flexplates are lighter and stronger than stock. They meet the new SFI 29.3 specification for competition use.

A great way to mount gauges in your truck if you dont want to put them on the A-Pillar. The switches that are built into the mount offer a great...

A great way to mount gauges in your truck if you dont want to put them on the A-Pillar

Billet Aluminum Upper Valve Cover for Duramax LLY-LBZ-LMM engines. Uses stock bolts, gaskets and grommets. Sold as a pair. Optional drill and ...

Billet Aluminum Upper Valve Cover for Duramax LLY-LBZ-LMM engines. Uses stock bolts, gaskets and grommets. Sold as a pair. Optional drill and ...

Extend the life of your crankshaft by changing the firing order of your engine. The OEM firing order ends with cylinder 3 and begins with cylind...

Extend the life of your crankshaft by changing the firing order of your engine. The OEM firing order ends with cylinder 3 and begins with cylinders...

This replacement dipstick tube uses your stock dipstick, it relocates your Allison transmission dipstick from the passenger side to the drivers sid...