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DRAG SPECIALTIES REPLACEMENT CYLINDER BIG TWIN 1340 SILVER DISPLACEMENT Bore x bore x stroke x 1.5708 = Displacement in Cubic InchesBore x bore x stroke x 25.744019 = Displacement in Cubic CentimetersExample: A stock 96” Twin Cam has a bore of 3.750” and a stroke of 4.375”.Formula: 3.750” x 3.750” x 4.375” x 1.5708 = 96.64 Cu. I. 3.750” x 3.750” x 4.375” x 25.744019 = 1583.86 ccCOMPRESSION RATIO Ratio = Cylinder displacement plus combustion chamber volume divided by combustion chamber volume.Example: A 96” cubic inch Twin Cam has 794 cc per cylinder. Combustion chamber volume is approximately 86 cc.Formula: 794 + 86 = 880 : 86 = 10.2:1 Compression Ration (CR)Note: When calculating compression ratio, do not forget to include gasket thickness, valve pockets and ringlands in the piston. CC-ing the heads, filling them with fluid after heads have been installed, will give you accurate numbers.HEAD/BASE GASKET VOLUME Bore x bore x 12.87 x compressed gasket thickness = Gasket volume in cubic centimetersExample: A head gasket has a thickness of 0.045”; bore is 3.750”.Formula: 3.750” x 3.750” x 12.87 x 0.045” = 8.144 ccAREA OF CIRCLE The radius is the diameter of a circle divided in half.Radius x radius x 3.1416 = Area of a circleExample : A stock 96” Twin Cam has a bore of 3.750”.Formula: 1.875” x 1.875” x 3.1416 = 11.05 Inch² 47.63 mm x 47.63 mm x 3.1416 = 7127.09 mm² (71.271 cm²)ELECTRICAL: AMPERAGE, WATT AND VOLTS
| Product specifications | |
|---|---|
| Vendor part # | 16510-83A-LB2 |
| Weight | 3.8400 Kg |
| UM | EA |
| TYPE | Front| Rear |
| MATERIAL | Aluminum| Cast| Iron |
| DISPLACEMENT | 1340 cc |
| COLOR/FINISH | Aluminum |
| BORE SIZE | 3,498" |
| BASE COLOR | Silver |
| STROKE LENGTH | 4-1/4" |
| UNITS | Each |
