OER 154902 Features:

Reproduction single piston Metric calipers like those that were standard equipment on 1978-88 GM mid-size vehicles. Features a 2.375" single piston, shielded bottom inlet, and 5-1/2" mounting bolt spacing. The compact size will save 3-1/2 lbs. per side compared to mid-size 1969-1977 calipers that are often used in performance brake conversions. IMCA approved. No core charge required since these are brand new units. Sold in pairs. Specifications: 7/16"-20 inlet 5-1/2" Mount Spacing Can be used with brake hoses from Pre-1978 GM intermediate cars Comes with GM metric style D154 brake pads Includes brake pads, slider bolts and bushings. 7/16"-20 inlet 5-1/2" Mount Spacing Can be used with brake hoses from Pre-1978 GM intermediate cars Comes with GM metric style D154 brake pads Includes brake pads, slider bolts and bushings.