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| Brand | | |
| Manufacturer's Part Number | | SME-K-355-400 |
| Part Type | | Top End Combos |
| Product Line | | Summit Racing® Top End Engine Kits for Small Chevy |
| Summit Racing Part Number | | SME-K-355-400 |
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| Cylinder Heads Included | | Yes |
| Cylinder Head Style | | Assembled |
| Cylinder Head Material | | Aluminum |
| Cylinder Head Finish | | Natural |
| Combustion Chamber Volume (cc) | | 62 |
| CNC-Machined Combustion Chamber | | No |
| Intake Runner Volume (cc) | | 170cc |
| CNC-Machined Intake Runner | | No |
| CNC-Machined Exhaust Runner | | No |
| Intake Port Location | | Standard |
| Exhaust Port Location | | Standard |
| Spark Plug Style | | Angle |
| Intake Valves Included | | Yes |
| Intake Valve Diameter (in) | | 2.020 in. |
| Exhaust Valves Included | | Yes |
| Exhaust Valve Diameter (in) | | 1.600 in. |
| Valve Springs Included | | Yes |
| Outside Diameter of Outer Spring (in) | | 1.250 in. |
| Damper Spring Included | | Yes |
| Number of Springs Per Valve | | Single |
| Retainers Included | | Yes |
| Retainer Material | | Chromoly steel |
| Locks Included | | Yes |
| Lock Style | | 7 degree |
| Valve Stem Seals Included | | Yes |
| Valve Stem Seal Style | | Viton® |
| Rocker Arm Studs Included | | Yes |
| Rocker Arm Nut Thread Size | | 3/8-24 in. |
| Rocker Arms Included | | No |
| Guideplates Included | | Yes |
| Accessory Bolt Holes Drilled | | Yes |
| Valve Guides Included | | Yes |
| Valve Guide Material | | Phosphorous bronze |
| Valve Seats Machined | | Yes |
| Valve Seat Material | | Tungsten |
| Steam Holes Drilled | | No |
| Oiling Style | | Through pushrod |
| Machined for O-Ring | | No |
| Heat Crossover | | Yes |
| Head Gaskets Included | | Yes |
| Intake Manifold Included | | Yes |
| Carburetor Quantity | | One |
| Intake Style | | Dual plane |
| Basic Operating RPM Range | | 1,600-5,200 |
| Intake Finish | | Natural |
| Intake Material | | Aluminum |
| Intake Manifold Gaskets Included | | Yes |
| Intake Manifold Fasteners Included | | Yes |
| Camshaft Included | | Yes |
| Cam Style | | Hydraulic flat tappet |
| Intake Duration at 050 inch Lift | | 214 |
| Exhaust Duration at 050 inch Lift | | 224 |
| Duration at 050 inch Lift | | 214 int./224 exh. |
| Advertised Intake Duration | | 272 |
| Advertised Exhaust Duration | | 282 |
| Advertised Duration | | 272 int./282 exh. |
| Intake Valve Lift with Factory Rocker Arm Ratio | | 0.442 in. |
| Exhaust Valve Lift with Factory Rocker Arm Ratio | | 0.465 in. |
| Valve Lift with Factory Rocker Arm Ratio | | 0.442 int./0.465 exh. |
| Lifters Included | | Yes |
| Pushrods Included | | No |
| Timing Chain and Gears Included | | Yes |
| Quantity | | Sold as a kit. |
| Notes | | 600 cfm carb recommended. Pushrod length checker included. |
| Calculator | | Compression Calculator |
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