Page 518 - 2021-22_EngineCatalogAP

CRANKSHAFTS
GM Duramax 6.6L Diesel
4340 Forged Steel Crankshaft
Callies
Compstar Durastar features Spec 4340 material, multi heat-treated, double stress-relieved, deep nitride-hardened, large radii in all journals, keyed shear-proof timing gear fit, drilled rod journals, dual-keyed damper fit, accepts OEM post and flange bolts, accepts OEM flywheels/flexplates, machined flow, main bearing oil holes with lead-ins for enhanced cold start oil, precision ground and micro-polished to 6 Ra. Conservatively rated for 800 HP & 800 ft./lb. torque.
Part No.
Description
Stroke
Min. Rod Length
Rod Pin
Main
Rear Main Seal
Balance
Target Bobweight Grams
Approx. Weight Lbs.
CALD333M81-CS
2016-Prior Duramax 6.6L
3.898"
6.418"
2.480"
OEM
OEM
Ext.
†
84
† No specific bobweight listed due to many rod lengths depending on application. Can be balanced front or rear.
PERFORMANCE BEARINGS
GM 6.6L/403 6600 Duramax Diesel LB7 2001-04, LLY 2004-05
OEM REPLACEMENT BEARINGS
GM Duramax 6.6L Diesel
M77CB1805H
Application
Clevite H Series
Rod Bearings, Standard
M77CB1805H
Rod Bearings, Extra .001" Oil Clearance
M77CB1805HX
Rod Bearings, 25mm
M77CB1805H25MM
Main Bearings, Standard
M77MS2218H
Main Bearings, .001" Extra Clearance
M77MS2218HX
Application
Clevite P-Series
Dura-Bond
Rod Bearings, 2001-16 6.6L, Standard
M77CB1805P
—
Main Bearings, 2001-16 6.6L, 25mm
M77MS2218P25MM
—
Main Bearings, 2001-16 6.6L, 50mm
M77MS2218P50MM
—
Cam Bearings, 2001-18 6.6L
M77SH1999S
DURGM-8
Main Bearings, 2001-16 6.6L
M77MS2218P †
—
Thrust Washer .118" Thick
M77TW-610S
—
† Requires thrust washer set, TW-610S, not included. Specify sizing (std., .25mm, or .50mm) when ordering.
516 2021-22 ENGINE BUILDER CATALOG
M77MS2218P
GM DURAMAX 6.6L DIESEL