Callies Energy Engine Block - 4.315 in Bore - 10.725 in Deck - 4-Bolt Main - 2-Piece Seal - Gen II Hemi SP115BK Designed for off-road and dirt

Designed for off-road and dirt forms of racing

One shield works for Night or Day

4140 Chrome-moly Internals

Nylon Brake Line

Race Track - GPS track mapping which shows where the vehicle went around the track with numerous options for PID graphing

Callies Energy Engine Block - 4.315 in Bore - 10.725 in Deck - 4-Bolt Main - 2-Piece Seal - Gen II Hemi SP115BK Designed for off-road and dirtProduct Description: Engine Energy Bare Block 4. 315 in Bore 10. 725 in 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