Callies Bare Block - 4.500" Bore - 10.725 Deck - 4-Bolt Main - 2 Piece Seal - Iron - Gen II Hemi JB100020 2017-2019 GMC Sierra 2500 HD

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

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

The new AFCO Reinforced Front Segment springs have proven to provide considerable increases to forward bite when used on race cars equipped with conventional type leaf springs

Steel roller is 2" wide with a series of 1/4" tall

1973-1986 Pontiac Firebird

Callies Bare Block - 4.500" Bore - 10.725 Deck - 4-Bolt Main - 2 Piece Seal - Iron - Gen II Hemi JB100020 2017-2019 GMC Sierra 2500 HDProduct 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