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RPM Small-Block Chevy Straight Spark Plug 70cc Roller Cam Polished

$915.98
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SKU
608915
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Details

The Edelbrock #608915 Performer RPM cylinder heads are designed for 1955-86 Small-Block Chevy applications. The Edelbrock #608915 Performer RPM heads are perfect for street performance, daily drivers, street rods and muscle cars where seat-of-the-pants performance is needed. These cylinder heads deliver great throttle response and power from 1500 to 6500 rpm. They also feature the highest quality intake and exhaust valves and valve springs. For use on pre-pollution controlled vehicles only.

Documents & Installation Notes

Specs

Availability Available
Application Universal
GTIN 00085347996841
Availability Note Available to Order
Warranty 12 Months
Emissions Code
Hazardous Materials Warning WARNING: This product can expose you to Lead, which is known to the State of California to cause cancer or birth defects or other reproductive harm. For more information, visit www.P65warnings.ca.gov.
Installation Notes
  • EQUIPPED WITH SPRINGS FOR USE IN MECHANICAL FLAT TAPPET AND HYDRAULIC ROLLER CAMSHAFT APPLICATIONS
  • Match with Edelbrock head gasket sets.
  • To use stock rockers on small-block Chevy heads, .100" longer than stock pushrods are required. Edelbrock pushrods #9629 are recommended.
  • Use Head Bolt Kits for easy installation. Recommended spark plugs are Champion RC12YC or equivalent 14mm x 3/4" reach with flat gasket seat.
  • S/B Chevy heads may not be used on engines with less than 4" bore (262, 265, 283, 305, 307 c.i.d.) except with cams having less than .450" valve lift.
CNC Ported No
Combustion Chamber Volume 64.0 cc
Deck Height 9.025 in
Deck Thickness 0.562 in
Exhaust Valve Diameter 1.600 in
Guide Plates Included Yes
Intake Runner Volume 195.0 cc
Intake Valve Diameter 2.020 in
Material Aluminum
Push Rod Diameter 0.312 in
Rocker Stud Diameter 0.375 in
Valve Angle 23 deg
Valve Spring Diameter 1.460 in
Valve Spring Maximum Lift 0.575 in
Valve Stem Diameter 0.341 in