Head Name: 4G63 Gen1
Engine Type: Sport Compact 2L+
Manufacturer: Mitsubishi
Applications: Mitsubishi Eclispe 89-94 Gen 1, Plymouth Laser
Description:
A very popular head for people wanting to build a race 4G63 because of the very large stock ports. The 4G63 has many variations so our port will only fit the Gen I style head. It offers an improvement from 237CFM to 283CFM on the intake and from 188CFM to 240CFM on the exhaust at 0.400 lift. This port is great for street and track and allows turbos to be more efficient. Our pricing includes diamond honed stock valve guides and deck skim. We also offer bronze valve guides and full valvetrain assemblies for a bolt on, ready-to-run solution. Please call us for details.
| FlowTest Data |
| Bore Diameter: | 3.575 |
| Intake Valve Diameter: | 35 |
| Exhaust Valve Diameter: | 30.5 |
*The above pricing includes fully CNC ported intake and exhaust ports (unless specified),
CNC chamber, diamond honed valve guides, precision SERDI valvejob and skim the deck surface.
Disassembly and cleaning, assembly and parts are not included but available.
If you would like a full assembly or have any questions, please contact us at 888-627-2236 so we can give you a quote. Prices are subject to change at
any time.
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Frequently Asked Questions about the Mitsubishi 4G63 Gen1 head:
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[M2Race© flow sheet]
[full view]
[intake view]
[exhaust view]
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Mitsubishi 4G63 Gen1
