features


  • High Clearance Transmission Xmember
  • For Use With Either D/S or P/S  Drop Front Differential
  • Fits 1/2 or 3/4 ton Chassis 

features


  • High Quality .250" HRPO A36 Steel
  • Computer Engineered High Clearance Transmission Xmember
  • For Use With Either D/S or P/S  Drop Front Differential
  • Fits 1/2 or 3/4 ton Chassis 

gm square body duramax diesel engine conversion

'73-'87 C & K SERIES, '88-'91 r & v SERIES


PARTS REQUIRED


  • '01-'16 GM 2500HD/3500HD 6.6 Litre Duramax Diesel Engine ( RPO Codes LB7, LLY, LBZ, LMM, LML & LGH )
  • '01-'16 GM 2500HD/3500HD ​Allison 1000 Series 5 or 6 Speed Transmission
  • Stand-Alone Duramax Diesel Wiring Harness

'73-'87 gm C & K SERIES truck, blazer & suburban 

'88-'91 gm R & V SERIES truck, blazer & suburban 

ALLISON TRANSMISSION SHIFT CABLE BRACKET

$280.22 

Plus Applicable Sales Tax & Shipping

parts included


  • Laser Cut and Formed Transmission  Xmember
  • Flanged Headed OEM Style Fastner​s

parts included


  • Laser Cut and Formed Upper Shift Cable Bracketry
  • Flanged Headed OEM Style Fastner​s
  • OEM Allison Lower Shift Cable Bracket W/Hardware
  • ​OEM Allison Shift Cable

'73-'87 gm c series truck, blazer & suburban

'88-'91 gm r series truck, blazer & suburban

duramax diesel engine MOUNTS

$333.80

Plus Applicable Sales Tax & Shipping

features


  • High Quality .250" HRPO A36 Steel
  • Computer Engineered High Clearance Transmission Xmember
  • For Use With Either D/S or P/S  Drop Front Differential
  • Fits 1 ton Chassis Only

features


  • Two Engine Placement Postitions Available
  • For use with OEM or Aftermarket Turbo
  • Can Fit Up To a 3" Down Pipe
  • Duramax Engine Oil Oan Will Clear IFS Crossmember

'73-'87 gm K30 series TRUCKS

'88-'91 gm V3500 SERIES TRUCKS

allison TRANSMISSION XMEMBER

$337.27

Plus Applicable Sales Tax & Shipping

parts included


  • Laser Cut and Formed Transmission Xmember
  • Flanged Headed OEM Style Fastner​s

features


  • Two Engine Placement Positions
  • No Body Lift Required
  • No Engine Oil Pan Modifications
  • For use with OEM or Aftermarket Turbo
  • Can Fit Up To a 3" Diameter Down Pipe

'73-'87 gm K SERIES truck, blazer & suburban

'88-'91 gm V SERIES tRUCKS

duramax diesel engine XMEMBER

$350.27

Plus Applicable Sales Tax & Shipping

'73-'87 gm C & K SERIES truck, blazer & suburban 

'88-'91 gm R & V SERIES truck, blazer & suburban 

lbz/lmm DURAMAX DIESEL CONVERSION THROTTLE PEDAL BRACKET

$23.94

Plus Applicable Sales Tax & Shipping

features


  • ​No Body Lift Required
  • Two Engine Placement Positions Available
  • For use with OEM or Aftermarket Turbo
  • Can Fit Up To a 3" Down Pipe

parts included


  • Laser Cut and Formed Engine Xmember
  • Flanged Headed OEM Style Fastner​s

features


  • High Quality .250" HRPO A36 Steel
  • Computer Engineeree High Clearance Transmission Xmember
  • For Use With Either D/S or P/S  Drop Front Differential
  • Fits 1 ton Chassis Only

parts included


  • Laser Cut and Formed Transmission  Xmember
  • Flanged Headed OEM Style Fastner​s

features


  • Will Clear Duramax Oil Pan Without Any Modifications
  • For Use With Either D/S or P/S  Drop Front Differential
  • Fits 1/2, 3/4, or 1 Ton Chassis 

features


  • Made from Rust Resistant 10 Gauge Stainless Steel
  • 100% Bolt-On Design that retains OEM Steering Column
  • For Use With 5 or 6 Speed Allison Transmissions
  • Adjustable Bracketry Allows for Reverse Light Adjustment

parts included


  • CNC Machined Engine Mount Plates
  • Laser Cut and Formed Upper & Lower Engine Mount Brackets
  • ​High Quality ​Polyurethane Bushings
  • Flanged Headed OEM Style Fastners

'73-'87 gm K10 & K20 SERIES truck, blazer & suburban 

'88-'91 gm V10 & V20 SERIES truck, blazer & suburban 

ZF-S6-650 TRANSMISSION XMEMBER

$337.27

Plus Applicable Sales Tax & Shipping

parts included


  • CNC Machined Engine Mount Plates
  • Laser Cut and Formed Upper & Lower Engine Mount Brackets
  • ​High Quality ​Polyurethane Bushings
  • Flanged Headed OEM Style Fastners

'73-'87 gm K30 series TRUCKS

'88-'91 gm V3500 SERIES TRUCKS

ZF-S6-650 TRANSMISSION XMEMBER

$337.27 

Plus Applicable Sales Tax & Shipping

'73-'87 gm K10 & K20 SERIES truck, blazer & suburban 

'88-'91 gm V10 & V20 SERIES truck, blazer & suburban 

allison TRANSMISSION XMEMBER

$337.27

Plus Applicable Sales Tax & Shipping

features


  • High Quality 10 Gauge Cold Rolled Steel
  • 100% Bolt-On Design with OEM Hardware
  • For Use With LBZ or LMM Throttle Pedals

parts included


  • Laser Cut and Formed Transmission  Xmember
  • Flanged Headed OEM Style Fastner​s

After many years of extensive research and development we are proud to offer the industries first GM Square Body Duramax Diesel Engine Conversion.  Imagine dragging your old GM Square Body out of the field and bringing it back to life with a 6.6 Litre Duramax Diesel engine and Allison Transmission.  The slight blend of the nostalgic GM Square Body with a touch of the late model engine and transmission offers modern day reliability.  With that said you will enjoy G-Force Diesel horsepower and torque which enables easier, more confident hauling and trailering.  

'73-'87 gm K SERIES truck, blazer & suburban

'88-'91 gm V SERIES truckS

duramax diesel engine MOUNTS

$333.80

Plus Applicable Sales Tax & Shipping

parts included


  • Laser Cut and Tapped Throttle Pedal Bracket