Speedmaster®
Mopar Chrysler SB 318 340 360 Hyd FT Cylinder Head Top End Engine Combo Kit
Overview
Specs
| Brand: | PCE |
| Part Number: | PCE435.1074 |
| Part Type: | Cylinder Head Combos |
| Product Line: | Street Series |
| Camshaft Included: | No |
| Intake Manifold Included: | Yes |
| Fuel Delivery Style: | Carbureted |
| Intake Material: | Aluminum |
| Intake Finish: | Satin |
| Carburetor Quantity: | One |
| Intake Style: | Dual plane MidAir |
| Intake Basic Operating RPM Range: | 1500-6,500 |
| Intake Manifold Model (descriptive): | Speedmaster MidAir |
| Carburetor Flange: | Square bore |
| Timing Chain and Gears Included: | No |
| Lifters Included: | No |
| Gaskets Included: | Yes(Intake Only) |
| Cylinder Head Style: | Assembled |
| Cylinder Head Material: | Aluminum |
| Cylinder Head Finish: | Natural |
| Combustion Chamber Volume (cc): | 65 cc |
| CNC-Machined Combustion Chamber: | No |
| Intake Runner Volume (cc): | 170 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: | Stock |
| 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: | No |
| Rocker Arm Nuts Included: | No |
| Rocker Arm Nut Thread Size: | n/a |
| Guideplates Included: | n/a |
| Guideplate Pushrod Size: | n/a |
| Pushrods Included: | No |
| Valve Covers Included: | No |
| 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: | n/a |
| Oiling Style: | Through pushrod |
| Machined for O-Ring: | No |
| Heat Crossover: | No |
| Cylinder Head Bolts Included: | No |
| Quantity: | Sold as a kit. |
| Calculator: | CFM Calculator |
| Calculator | Compression Calculator |
| Notes: | Designed for use with hydraulic flat tappet camshafts less than .600 in. lift. Requires use of hardened pushrods. The valve and seat combination, used in these heads, is not recommended for use with mechanical roller camshaft. |
Brand Information
In 1979, the company was founded with Pete's Performance, which was a small speed workshop. It began by building engines for customers as a hobby, and it has now grown to include selling, assembling, manufacturing and racing high performance engine parts. Over the years, the company has grown into a worldwide high performance powerhouse. Growing from a one-man bricks-and-mortar business; to now a supply chain in which entails more than 400+ people all across the world. Today, Pete's Performance has evolved into the internationally known Speedmaster: which has distribution centres and offices is Sydney, Los Angeles and Shanghai.
SUB-BRAND
Founded in Sydney Australia with one CNC Machine increasing to sixty 5-Axis CNC machines before being acquired in 2013. The Company's main focus has always been "Speed to Market", launching 1,200+ new products each year. Needing just one month to develop a new product and get it on to the shelf, compared to the six-month industry average. PCE has a policy of zero advertising, preferring to invest a percentage of revenues in new product development. These products being white-labeled to most of the biggest brands in the business.