Sierra MerCruiser 5.7 350 / 5.0 305 V8 Exhaust Manifold & 3 inch Riser Kit 18-1953-2 18-1970-2

Sierra MerCruiser 5.7 350 V8 Center Riser Exhaust Manifold & Riser Kit

Fits Applications: V-8 305, 350 & 377 Engines from Years 1984 and earlier with 3 inch riser outlets

2x Manifold 18-1953-2

Replaces:
 • MerCrusier: 87114, 87114A19, 86024, 86024A10, 860246A15, 860246Q11
 • Osco: 7114B2
 • Barr Marine: MC-1-87114
 • HGE: 7114
 • Aqua Power:5500
 • GLM: 51230

2x Riser Elbow 18-19701 superseded to 18-19702 (New Number)

Replaces:
 • MerCruiser: 98504A3
 • GLM: 51110
 • Osco: 8503A
 • Barr Marine: MC-20-55538
 • Old Sierra Number: 18-1976-1

Kit Contains:
 • 2x Exhaust Manifold
 • 2x Manifold to Riser/Elbow Gasket
 • 2x Manifold to Head Gasket
 • 2x Drain Elbow Plug
 • 2x 3" Riser Elbow
 • 8x Riser studs (for some reason Sierra doesnt include the nuts)
 • Various Plugs and Fittings