Callies Apex Series Crankshaft - 4.000 in Stroke - Internal Balance - 58X Reluctor - Forged - 1-Piece Seal - GM LS-Series AA0810AG3S63 AFR's new 205cc is the

AFR's new 205cc is the ultimate choice for 367-427ci engines operating from 3500 RPM to 8000 RPM

thicker decks

Set Front-to-Rear bias for best performance

Fits Chevy/GMC Truck 73-87 3/4 & 1 Ton & 75-00 Dually 2WD-4WD 14-Bolt REAR

VMAC Super Bird Cages are made from A-206 Aluminum Alloy

Callies Apex Series Crankshaft - 4.000 in Stroke - Internal Balance - 58X Reluctor - Forged - 1-Piece Seal - GM LS-Series AA0810AG3S63 AFR's new 205cc is theProduct Description: Crankshaft Apex Series 4. 000 in Stroke Internal Balance 58X Reluctor Forged Steel 1 Piece Seal GM LS Series 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