EDELBROCK HEADS FOR EVOLUTION

All Edelbrock cylinder heads include high-grade stainless steel swirl-polished valves, ductile iron seats and guides, Teflon® valve stem seals, radius valve job, and heavy duty valve springs. They are made of A356 aluminum heat treated to T-6 specs.

Edelbrock heads must be used with Edelbrock manifolds for maximum performance. Valve spring specs for Performer RPM heads: maximum valve lift .650", 1.460" OD with dampener, installed seat pressure 175 lbs., installed height 1.800", titanium retainers and 7º locks.

 
 

 

 EVO Big Twin

"PERFORMER HEADS"

These emissions legal heads are a direct replacement with stock heads for true, bolt-on performance in 80-inch bikes for great low-end torque. They provide a substantial power increase while working within the existing rpm range of the stock engine (idle to 5500 rpm) with stock pistons and valvetrain. The intake ports are raised .125" for improved flow and velocity. Important Note: Performer heads are designed for flat top pistons only. Valve spring specs: maximum valve lift .580", 1.460" OD with dampener, installed seat pressure 165 lbs., installed height 1.730".
TEC # Description Fits Edelbrock #
69800 Edelbrock Head Set ‘84+ Evo 1661
69802  Edelbrock Head Rear Only ‘84+ Evo 1621
69806 Edelbrock Head Front Only ‘92+ Evo 1610
 
 

 

 EVO Big Twin

"PERFORMER RPM HEADS"

The ultimate heads for idle to 6000+ rpm power in 80-inch and larger engines...Performer RPM CNC-ported heads provide superior flow for maximum power. Performer RPM Evo Big Twin heads #1604, #1624 and #16041 have an 88cc combustion chamber that's great for stroker kits or engines with a turbo or supercharger. We recommend Edelbrock/JE pistons for 80-inch Evo engines with Performer RPM heads, other engine sizes require modified stock or other aftermarket pistons
TEC # Description Fits Edelbrock #
69811  Edelbrock RPM Head Front Only ‘84+ Evo 1612
 
 
REPLACEMENT PARTS FOR EVO PERFORMER AND PERFORMER RPM CYLINDER HEADS

Edelbrock cylinder heads come with the finest component parts, so be sure to use only original Edelbrock replacement parts for repairs or upgrades. Choose from our selection of stainless steel valves; cast iron valve guides, etc
TEC # Description Edelbrock #
69840  Edelbrock Intake Valve 1646
69841 Edelbrock Exhaust Valve 1645
69844 Edelbrock Valve Stem seals (4) 1649
69845 Edelbrock  Intake Guide Std 1648
69855 Edelbrock Exhaust Guide Std 1647
 
 
 

 

 DESIGNED TO MATCH EDELBROCK HEADS FOR MAXIMUM POWER...

Edelbrock aluminum intake manifolds must be used with Edelbrock cylinder heads. They have the same rectangular intake port as our heads for maximum performance. All Edelbrock manifolds come with gaskets, bolts, grommets and vacuum fittings (if needed) and are 50-state legal with Edelbrock Performer heads. Performer 3-piece manifolds have walls that are 1/4" thick at all points to allow for modifications, if desired. They are highly recommended for use with Performer RPM heads because of the various combos used. Available in eight width configurations for various cylinder head/barrel length combinations.
TEC # Fits Description Edelbrock #
69822 S & S G Flanged 1669
69825 Cv Style 3-piece 1670
69826 Flange 3-piece 1671
69830 Cv Style Stock width 1660
69832 Cv Style Wide width 1662
69834 Cv Style Short width 1664
69833 Flange type Wide width 1663
69835 Flange type Short width 1665
 
69827 Edelbrock Gaskets Manifold to Heads (1pr) 1642