Callies Bare Block - 4.500" Bore - 10.725 Deck - 4-Bolt Main - 2 Piece Seal - Iron - Gen II Hemi JB100020 Quick Change Rears

Quick Change Rears

2017-2019 GMC Sierra 2500 HD SLE DIESEL Double Cab Pickup

High Quality Chrome Plating

15" Ext length

Weld these steel nuts into a predrilled hole to provide a strong and easy method of bolting brackets or acces-sories to chassis

Callies Bare Block - 4.500" Bore - 10.725 Deck - 4-Bolt Main - 2 Piece Seal - Iron - Gen II Hemi JB100020 Quick Change RearsProduct Description: Engine Bare Block 4. 500 in Bore 10. 725 Deck 4 Bolt Main 2 Piece Seal Iron Gen II Hemi Sold Individually Callies Performance Products began manufacturing high performance crankshafts in 1989. With many years of engineering and employee experience, Callies has grown to be the industry leader for innovative product design. Callies Performance Products takes pride in staying ahead of the competition with the latest high tech design