Description

Edelbrock Performer RPM cylinder heads provide out-of-the-box bolt on performance with no additional porting required.  Intake and exhaust runners are CNC profiled for superior airflow performance.  Standard port locations enable use of stock or performance exhausts.  Hardened valve seats for use with unleaded fuel.  We stock these heads fully assembled and ready to bolt on, equipped with 1-piece swirl-polished undercut stem valves, seals, valve springs, retainers, keepers, rocker studs and hardened guide plates.  Edelbrock Performer RPM heads are a great way to dramatically improve the performance of engines equipped with original equipment or cast iron heads.  Match these heads with Performer RPM package for dramatic power increase from 1500-6500 rpm in high performance streetcars.  Designed for small block Chevrolet V8 engines.  These heads have angled spark plug locations – for straight plug heads use EDEL6073 or EDEL6089.  70cc combustion chamber, 2.02” Intake 1.60” Exhaust valve.  Fitted with 3/8” diameter rocker studs.  Maximum valve lift .575”.  Use intake manifolds EDEL7101, EDEL5001 or EDEL2975.  Use head bolts ARP1343601.  Use head gasket FEL1003 or FEL1010 or FEL1014.  Use Intake gasket FEL1205.  Use roller rockers e.g. RUK66928C