All - Competition Ported 3100 Cylinder Heads

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Competition Ported 3100 Cylinder Heads

Product Information

Lift	Stock 3100 Intake	Competition 3100 Intake	Stock 3100 Exhaust	Competition 3100 Exhaust
.050	31.6	33.4	27.1	25.2
.100	55.4	61.1	53.0	51.8
.150	78.1	88.0	78.4	87.6
.200	101.3	115.9	98.4	112.6
.250	125.4	143.6	116.8	131.2
.300	148.1	168.6	133.8	148.1
.350	170	190.9	144.4	158.4
.400	187.8	209.4	151.5	167.1
.450	201.1	223.4	155.1	174.0
.500	210.1	230.2	157.0	178.8
.550	217.1	235.8	158.8	--
.600	218.9	238.9	160.4	--


Rough texture intake ports.	Deshrouded combustion chambers



Setup for the valve job on the Serdi	Compare to our competitors

Their work won't look this good	Flowbench optimized, and repeated by hand from years of experience

Why take a chance on improving performance when you could just as easily hurt your flow, efficiency (mpg), and throttle response from a DIY gasket match job. These street/Strip performance heads are the result from years of R&D on a flowbench to find the best flow while improving velocity at the same time. Velocity + Flow = Performance with excellent drivability on the street. You simply won't find a better set of heads for your street driven 3100 engine at any price.

These heads are setup for performance cams up to .610" lift and moderate lifter acceleration rates. This translates to all but the most aggresive grinds possible, which should have the optional PAC 1518/Valve Spring Pocket work done. Our valve job is more than a bunch of angles. It is the result of the same type of testing that the ports recieved to achieve the best flow. Manley Race Valves are recommended with the PAC 1518 Springs for aggressive cam profiles.

Competition Specs