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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 865754A01 LONGBLOCK ASSEMBLY, High Output
NS 865752A01 LONGBLOCK ASSEMBLY, Base
28 NSS NOT SOLD SEPARATE, CONNECTING ROD 8
35 48341 PLUG, (.125-27 x .375), Oil Galley AR
3 883919 PLUG, Coolant Drain
4 881669 DRIVE, Oil Pump, Oil Pump
5 881590 SCREW, (M8 x 20), Oil Pump
6 52190 PIN, Cylinder Head Locating 4
7 892617 SENSOR, Crankshaft Position
9 881595 SCREW, (M6 x 21), Crankshaft Position Sensor
10 68219 NUT, (#10-32) Stainless Steel
11 805563 CONNECTOR, (.500 Inch NPTF To .500 Inch Inverted Flare), Oil Hose
12 878187 SENSOR ASSEMBLY, Knock 2
13 815425T SENDER ASSEMBLY, Oil Pressure
14 881569 PLUG, (.250-18 x .54), Engine Coolant
14 881568 PLUG, Engine Coolant
35 34487 PLUG, (.375-18 x .42), Pipe, Oil Galley 2
35 48340 PLUG, (.250-18 x .41), Oil Galley
21 843378 PIN, Dowel Camshaft Sprocket Location
16 85684 BEARING SET
17 26996 LOCKWASHER, (#10) Stainless Steel
18 38407 PLUG, (.500-14), Pipe
19 94140 EXPANSION PLUG, Camshaft Bearing Hole
20 881628 CAMSHAFT High Output
20 881627 CAMSHAFT Base
22 845941 RETAINER, Camshaft
23 881588 SCREW
24 892640001 SPROCKET, Camshaft
25 881570 SCREW, (M8 x 25 MM) 3
26 881626 CHAIN, Camshaft Timing
27 881592002 PISTON ASSEMBLY, Standard/Floating Design 4
27 881592001 PISTON ASSEMBLY, Standard/Floating Design, Starboard 4
27 883515002 PISTON ASSEMBLY, Standard/Floating Design, Port 4
27 881596002 PISTON ASSEMBLY, .030/Floating Design, Starboard AR
27 881596001 PISTON ASSEMBLY, .030/Floating Design, Without Connecting Rod AR Starboard
27 881597002 PISTON ASSEMBLY, .030/Floating Design AR Port
27 881597001 PISTON ASSEMBLY, .030/Floating Design, Without Connecting Rod AR Port
29 883917 SCREW, Connecting Rod 16
30 883918 NUT, Connecting Rod 16
31 881601 RING KIT, Piston 8 Standard
31 881602 RING KIT, Piston 8 (.030) Oversize
32 8832391 BEARING, Connecting Rod
33 881567 PLUG, Oil Galley 4
36 883925 PUMP, Circulating
37 881603001 GASKET, Circulating Pump 2
38 862583 PULLEY, Circulating Pump
39 4010716 SCREW, (M8 x 16)
40 881576 SCREW, (M10 x 65) 3
40 884036 SCREW, (M10 x 95)
41 862915 STUD, (.250-18/M10 Special), Knock Sensor 2
42 826292 NUT, (M10) Brass/Nickel Plated, Knock Sensor 2
43 881879011 SENSOR, Pressure (0 - 100 PSI), Oil Pressure
44 29085 FITTING, Elbow (45 Degree) 2
45 64013 FITTING, (.375 Male To .125 Female), Reducer
46 805059 FITTING, Reducer Bushing