WebCHEVROLET 5.7L/348 Head Gaskets. Filter by Availability Filter Results Filter by Vehicle Individual Parts. Part Groups. Results 1 - 25 of 31 25 Records Per Page Default Sort . Fel-Pro Head Gaskets 8007PT. Fel-Pro Head Gaskets 8007PT Head Gasket, Steel Core Laminate, 4.312 in. Bore, Chevy, 348/409, Each ... http://www.348-409.com/forum/threads/1147-348-heads.43505/

Chevrolet 348 and 409 Hemmings

Web348-409 Chevrolet Cylinder Heads. Move cursor over these links. to see their location. Click for more info. Casting # location 1 Or Casting # location 2. GM Pattern Number location. Date Code location 1 Or Date Code location 2. CFD marking location. For more information about the 348/409 W-motor cylinder heads, select a head casting number … WebEdelbrock Performer RPM Chevy 348/409 Aluminum Cylinder Heads Designed for 1961-65 Chevrolet "W" series 348/409 big blocks engines. These heads have improved port … courses in harvard in medical area 2017

RPM 348/409 Chevy Cylinder Head Hydraulic Roller Camshaft

When examining stock 348 and 409 engines, it quickly becomes apparent Chevrolet pushed the performance envelope with the 409 more than the 348. The 409 heads made increasingly more horsepower during their production run. Long after production of the W engine stopped, the automotive aftermarket … See more Chevy’s heads for W engines fall into four groups–heads specifically used on 348s and heads for 409s, heads used on both engines, and the rare heads for the Z11 engines. Within the 409 versions, there were two models, … See more The 348 and 409 heads differ in a few key areas. The 348 rocker studs are pressed-in place while 409 studs are pinned in place. The intake rocker studs are offset at 8 degrees, and the … See more With the distinctive crescent- shaped bottom outside edge of the heads, the spark plugs could now be located just about in the center of the bores. For an internal combustion engine, that is the optimum placement … See more One of the biggest changes in the heads was the increase in valve sizes. When the 348 first came out (and as they continued to be used as a truck engine) the valve sizes were 1.94 … See more WebWith all 16 of the oiled lifters in place, the next valvetrain parts to be added to the heads can be the push- rods. Keep in mind, 348 and 409 intake pushrods are shorter than the exhaust pushrods. The pushrods are … WebAug 6, 2024 · The shop recently finished a 348 Chevy Stroker build for a new customer, which the shop bored .030˝ over and stroked to 434 cubic inches. “We did all the boring, honing, balancing and cutting the seats for … courses in great learning