![Chevy SBC 350 Straight Cylinder Head Top End Engine Combo Kit [Hydraulic Roller Tappet]](http://musclecarhq.com.au/cdn/shop/files/1-435-003_423b5935-f033-420c-8c1c-99a378fb334c_{width}x.jpg?v=1756228877)
![Chevy SBC 350 Straight Cylinder Head Top End Engine Combo Kit [Hydraulic Roller Tappet]](http://musclecarhq.com.au/cdn/shop/files/1-435-003_423b5935-f033-420c-8c1c-99a378fb334c_530x@2x.jpg?v=1756228877)
| Brand: | Speedmaster |
| Part Number: | 1-435-006 |
| Part Type: | Cylinder Head Combo |
| Product Line: | Hydraulic Roller Tappet |
| Camshaft Included: | No |
| Intake Manifold Included: | Yes |
| Fuel Delivery Style: | Carbureted |
| Intake Material: | Aluminum |
| Intake Finish: | Natural |
| Carburetor Quantity: | One |
| Intake Style: | Single plane with divider |
| Intake Basic Operating RPM Range: | 1,500-6,500 |
| Intake Manifold Height: | 4.650 in. |
| Intake Manifold Model (descriptive): | Speedmaster - MidRise Air |
| Timing Chain and Gears Included: | No |
| Lifters Included: | No |
| Gaskets Included: | Yes |
| Cylinder Head Style: | Assembled |
| Cylinder Head Material: | Aluminum |
| Cylinder Head Finish: | Natural |
| Combustion Chamber Volume (cc): | 64 cc |
| CNC-Machined Combustion Chamber: | No |
| Intake Runner Volume (cc): | 190 cc |
| CNC-Machined Intake Runner: | No |
| CNC-Machined Exhaust Runner: | No |
| Intake Port Shape: | Square |
| Intake Port Location: | Standard |
| Exhaust Port Shape: | Square |
| Exhaust Port Location: | Standard |
| Spark Plug Style: | Straight |
| Comp. Valve Job: | No |
| Intake Valves Included: | Yes |
| Intake Valve Diameter (in): | 2.020 in. |
| Exhaust Valves Included: | Yes |
| Exhaust Valve Diameter (in): | 1.600 in. |
| Intake Valve Angle: | 23 deg. |
| Exhaust Valve Angle: | 23 deg. |
| Valve Springs Included: | Yes |
| Outside Diameter of Outer Spring (in): | 1.450 in. |
| Damper Spring Included: | Yes |
| Number of Springs Per Valve: | Dual |
| Retainers Included: | Yes |
| Retainer Material: | Chromoly steel |
| Locks Included: | Yes |
| Lock Style: | 10 degree |
| Valve Stem Seals Included: | Yes |
| Valve Stem Seal Style: | Positive stop |
| Rocker Arms Included: | Yes |
| Rocker Arm Studs Included: | Yes |
| Rocker Arm Nuts Included: | Yes |
| Rocker Arm Nut Thread Size: | 7/16 in. |
| Guideplates Included: | Yes |
| Guideplate Pushrod Size: | 5/16 in. |
| Pushrods Included: | No |
| Valve Covers Included: | Yes |
| Valve Cover Material: | Cast aluminum |
| Valve Cover Finish: | Black |
| Valve Cover Mounting Style: | Perimeter bolt |
| Accessory Bolt Holes Drilled: | Yes |
| Valve Guides Included: | Yes |
| Valve Guide Material: | Bronze |
| Valve Seats Machined: | Yes |
| Valve Seat Machine Style: | 3-angle |
| Valve Seat Material: | Ductile iron |
| Steam Holes Drilled: | No |
| Oiling Style: | Through pushrod |
| Machined for O-Ring: | No |
| Heat Crossover: | No |
| Cylinder Head Bolts Included: | No |
| Quantity: | Sold as a kit. |
