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.

Assembly Specifications

Max Lift: .650
Coil Bind: .925
Intake Install: 275lbs @ 2.1
Exhaust Install: 275lbs @ 2.1
Closed Sear Pressure: 210lbs
Open Seat Pressure: 450lbs


Cylinder Heads Suggested Parts

Head Gaskets
The head gasket we recommend for our 23deg. heads used on 327/350/383/400 SBC engines without steam holes is Felpro #1003. On engines using the GM 400 block, or aftermarket blocks with steam holes, use Procomp Electronics PCE348.1006 or Felpro #101

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