Hex Head; 5/16 in.-18 x 2 in.; w/Sems Type Captured Washers
Smaller Than Standard Hex Head; 5/16 in.-18 x 2 in.; Black Oxide Coated; 12 Bolts And Thick Washers
Browse our selection of quality engine intake manifold bolt set parts designed specifically for your Mercury Monarch. We carry options across multiple trim levels, body styles, and engine configurations to ensure a perfect fit.
Base · Ghia · Grand Ghia
Sedan
L6 3.3L · L6 4.1L · V8 4.2L · V8 5.0L · V8 5.8L
Automatic · Manual