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Mercruiser Model 8.1L INBOARD (H.O.) HIGH OUTPUT 420 HP

 
Key Part Number Description Qty Req Comments Price Qty on Hand  
NS 8079923 COVER, Hose Clamp End
1 866178T01 MANIFOLD ASSEMBLY, Cast-Iron Alloy, Exhaust 2
1 863127T1 MANIFOLD ASSEMBLY, Exhaust
2 866164 Fitting, Reducer(.75-14 x .125-27) (Use with Aluminum Manifold)
2 12524 PLUG, (.375-18 x .475) Brass (Use with Cast Manifold)
2 866163 PLUG, (.75-14) (Use with Aluminum Manifold)
3 865341A03 FITTING ASSEMBLY, Drain - Stainless Steel (Port Exhaust Manifold)
3 865828A02 FITTING ASSEMBLY, Drain (Starboard Exhaust Manifold)
4 46820 GASKET, Exhaust Manifold to Cylinder Head 2
5 40011151 SCREW, (M8 x 35) Stainless Steel 8
6 40011158 SCREW, (M8 x 70) Stainless Steel 8
7 865331A01 ELBOW, Exhaust 2 (Standard Rise)
7 865332A01 ELBOW, Exhaust 2 (2 Inch Rise)
8 863095 HOSE, Elbow to Manifold 4
9 815504216 CLAMP, Worm Gear (1.56 Diameter), Hose 8
10 8204511 STUD, (M8 x 55)
19 424632 STUD, (M8 x 37.1)
12 12038 WASHER 8
13 4002030 NUT, (M8)
14 862356 GASKET, Elbow to Manifold 4
15 863122 TURBULATOR, Exhaust 2
16 885342001 SENSOR ASSEMBLY, Temperature
17 627021 O-RING, (.301 x .070)
18 4010716 SCREW, (M8 x 16)
20 863124T RISER, (6 Inch) 2
21 863102 HOSE 4
22 863121 STUD, (M8 x 194) 8
23 861776A2 PLATE KIT
24 98794 SCREW, (.375-16 x 1.00) 4
25 41471 LOCKWASHER, (.375) 4
26 860222A1 RESONATOR, Exhaust
27 4010725 SCREW, (M8 x 25) SN# 0W393388 & Up