2500FE Series (2-1/2 OD)
These blocks, molded in blue ABS plastic, are available in 6 different shapes to aid in modeling exhaust systems using 2-1/2″ OD mandrel bent tubing: 1″ and 5″ straight blocks, plus 15-degree corner blocks available in 3″, 3.5″, 4″, and 5″ CLR (Centerline Radius). Kits also include block adapters to be attached to the open end of a 2.5” OD tube to start the tubular assembly design.
