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Performer Small-Block Chevy Cylinder Head, 64cc, Hydraulic Flat Tappet Springs

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$873.63
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SKU
60909
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Details

The Edelbrock #60909 Performer Cylinder Heads are designed for 302, 327, 350 and 400 cid small-block Chevy engines up to 1986. These cylinder heads include your choice of 64cc (In order to retain stock compression ratio on 1970 and earlier small-blocks) or 70cc combustion chambers and high flow intake and exhaust ports. Complete heads include larger-than-stock 1.46" valve springs to handle most high-lift cams. These heads retain the stock intake port location for compatibility with standard manifolds and headers. Heat crossover is machined for 50-state emissions legal performance.

Documents & Installation Notes

url
PDF-Installation Instructions

Specs

Availability Available
Grade Type Performance
Head Casting Number 31-6088
Guide Plate Material Hardened Steel
Application Application Specific
UPC 00085347609093
Availability Note Available to Order
Emissions Code
EO Number: D-215-94
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 HYDRAULIC FLAT TAPPET CAMSHAFT APPLICATIONS
  • Match with Edelbrock head gasket
  • When using hot air choke Q-Jet carbs and Performer manifold with above heads, choke kit #1932 is required.
  • Recommended spark plugs are Champion RC12YC or equivalent 14mm x 3/4" reach with flat gasket seat.
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 185.0 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