Aerospace Components brake calipers are CNC machined from 6061-T6 billet aluminum and are engineered to be compact and to provide optimum clearance. All fluid passages are internal, eliminating external lines and the need to have a different left and right caliper. The bleed screws are standard 1/8''-27 NPT. The mounting dimensions are standard for easy installation.4-Piston Caliper
The 4-piston calipers use four billet aluminum pistons that are hardcoat anodized and Teflon impregnated and are 1.75'' in diameter. Uses a 6.63 sq. in. brake pad. The caliper is 7'' in total length and has a 5.25'' mounting area. Total width is 3.85'' and total height is 2.91''. The caliper weight in at only 2.2 lb!