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Edelbrock EDE Performer Cylinder Head - SB Oldsmobile Performer RPM Cylinder Heads For Hydraulic Roller Cam

Part #: 61035
$1,246.95 For each
Free Shipping! *to continental U.S. only
Fits On:
1976 Cadillac Seville, 1975 Oldsmobile Cutlass, 1976 Oldsmobile Cutlass, 1975 Oldsmobile Cutlass Salon, 1976 Oldsmobile Cutlas... See more
Description:
Intended for installation on 1965-1976 Small-Block Oldsmobile 350-403 c.i. engines equipped with a hydraulic roller camshaft, these 356-T6 aluminum casting cylinder heads (#61035) are a modern refinement to our #6051 heads, except they can accommodate a factory-style mechanical fuel pump. A smaller 68 cc combustion chamber achieves a more appropriate small block compression ratio compared to our PN 61025/61029's larger 77 cc chamber, which yields a lower compression ratio than most engine builders desire on a small block engine. These heads require a 3.9375" minimum bore and feature a modern chamber design with optimized spark plug positioning. Maximum airflow is achieved through the factory 6-degree valve angle using high-flow 200 cc intake and 130 cc exhaust port volumes, along with 2.072" intake and 1.680" exhaust valve sizes in their O.E. positions. A finished deck thickness with added material above the intake port and pre-counterbored head-bolt holes for .5" diameter studs provide extra clamping force in key areas. A stud-and-guide plate valvetrain system (as opposed to the O.E. pedestal type) provides a solid foundation for the beefier diameter pushrods, and Helicoil inserts in the exhaust and rocker stud holes keep bolts secured. However, there are no provisions for a heat crossover. Although these heads will fit on Big-Block Oldsmobile engines, the 68-cc combustion chamber size is not ideal for a big-block application as it will raise compression. See PN61025 and PN61029 for big-block specific cylinder heads.
Intended for installation on 1965-1976 Small-Block Oldsmobile 350-403 c.i. engines equipped with a hydraulic roller camshaft, these 356-T6 aluminum casting cylinder heads (#61035) are a modern refinement to our #6051 heads, except they can accommodate a factory-style mechanical fuel pump. A smaller 68 cc combustion chamber achieves a more appropriate small block compression ratio compared to our PN 61025/61029's larger 77 cc chamber, which yields a lower compression ratio than most engine builders desire on a small block engine. These heads require a 3.9375" minimum bore and feature a modern chamber design with optimized spark plug positioning. Maximum airflow is achieved through the factory 6-degree valve angle using high-flow 200 cc intake and 130 cc exhaust port volumes, along with 2.072" intake and 1.680" exhaust valve sizes in their O.E. positions. A finished deck thickness with added material above the intake port and pre-counterbored head-bolt holes for .5" diameter studs provide extra clamping force in key areas. A stud-and-guide plate valvetrain system (as opposed to the O.E. pedestal type) provides a solid foundation for the beefier diameter pushrods, and Helicoil inserts in the exhaust and rocker stud holes keep bolts secured. However, there are no provisions for a heat crossover. Although these heads will fit on Big-Block Oldsmobile engines, the 68-cc combustion chamber size is not ideal for a big-block application as it will raise compression. See PN61025 and PN61029 for big-block specific cylinder heads.
Q: What are cylinder heads? Why buy them?
A: The cylinder head is the top portion of an engine, sometimes referred to as the top end, which contains the intake and exhaust valves and is responsible for regulating the flow of air into the motor and exhaust out of the motor. The more air that can flow through the cylinder head the more power your engine will produce. Aftermarket cylinder heads have been designed with better port angles and numerous other improvements to increase flow and efficiency and thus improve performance. If you are looking to increase your vehicle’s performance a high-flow cylinder head will make one of the largest differences. Stock cylinder head designs can be very restrictive, so simply switching to an aftermarket head can transform your ride into a high performance machine. If you are doing an engine overhaul we highly recommend looking into adding a high-flow cylinder head.
A: The cylinder head is the top portion of an engine, sometimes referred to as the top end, which contains the intake and exhaust valves and is responsible for regulating the flow of air into the motor and exhaust out of the motor. The more air that can flow through the cylinder head the more power your engine will produce. Aftermarket cylinder heads have been designed with better port angles and numerous other improvements to increase flow and efficiency and thus improve performance. If you are looking to increase your vehicle’s performance a high-flow cylinder head will make one of the largest differences. Stock cylinder head designs can be very restrictive, so simply switching to an aftermarket head can transform your ride into a high performance machine. If you are doing an engine overhaul we highly recommend looking into adding a high-flow cylinder head.
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