SoCal Diesel 7.1L Duramax Stroker Rotating Assembly LB7 LLY LBZ LMM LML

SoCal's 7.1L Stroker kit is the ultimate rotating assembly upgrade for your performance Duramax. This kit transforms your Duramax into a 427cu in powerhouse. This unique combination of components is carefully selected, machined and balanced by SoCal.

Features:

• New 4330M Billet Crank +.250 Stroke Built to Top Fuel Standards. 
• Knife Edged Counterweights.
• Redesigned And Improved Crankshaft Oiling Passages.
• Carrillo Forged Rods.
• Billet Flywheel. (SFI Approved For Competition Use)
• SoCal Diesel Super Damper. (SFI Approved For Competition Use)
• Mahle “Forged” Piston And Ring Kit. (Optional Thermal Barrier Coating $400)
• Choose from Std, +.020 (433ci) and +.040 (437ci) bore sizes.
• Mahle Clevite Inc. “H” Style Main  and Rod bearings.
• Crank Gear Installed. (Included, Not shown)
• Rear Main Seal Included. (Included, Not Shown)