Speedmaster SuperStreet-Series Top End Engine Combo Kit Big Block Chevy 454
746-PCE435.1018
Product Q&A
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Big Block Chevy
Don't spend hours figuring out which pieces and parts you need to get what you want from your engine. Procomp Electronics has already done the work for you; our Top-End engine kits will save you the time and hassle of mixing and matching components yourself. These kits are specifically designed to deliver the performance you want, at a better price than purchasing the parts separately.
Kits include:
Fully assembled Procomp Electronics cylinder heads
Intake manifold
Valve covers
Intake manifold gaskets
Roller rockers
Guideplates
Screw in studs
Assembly Specifications
Max Lift: .580
Coil Bind: .740
Intake Install: 145lbs @ 1.9
Exhaust Install: 145lbs @ 1.9
Closed Sear Pressure: 145lbs
Open Seat Pressure: 360lbs
Intake Manifold Information
These manifolds for Big Block Chevys are a worthy companion to our phenomenally su
Emissions Note:
This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.
CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART
Specifications:
I know it says fully Assembled does that mean the push rods to
Are these rectangular port heads and intake? Will this kit fit a 1969 427 closed chambered piston short block?
How much horsepower power and torque will this give my 454, and what cam packages will work with this package?
Will this work on a 540 build with a 500 shot of nitrous?
Will this work for a 97 block
Will this work on a gen 5 block if so what is needed
Will I have to convert to a carborator or can I still use the stock fuel injection?
What horsepower can I expect to see with this kit
Motor Vehicles
WARNING: Motor vehicles contain fuel, oils and fluids, battery posts, terminals and related accessories which contain lead and lead compounds and other chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. These chemicals are found in vehicles, vehicle parts and accessories, both new and as replacements. When being serviced, these vehicles generate used oil, waste fluids, grease, fumes and particulates, all known to the State of California to cause cancer, birth defects, and reproductive harm.
Tools:
WARNING: Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Some examples of these chemicals are: lead from lead-based paints, crystalline silica from bricks and cement and other masonry products, and arsenic and chromium from chemically treated lumber. Your risk from exposure to these chemicals varies, depending on how often you do this type of work. To reduce your exposure, work in a well-ventilated area and with approved safety equipment, such as dust masks that are specially designed to filter out microscopic particles.
Electrical Cords
WARNING: The wires of these products contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.