The Edelbrock #60859 Small-block Chevy cylinder head is designed for 1987-95 Throttle Body Injected (T.B.I.) and Tuned Port Injected (T.P.I.) 5.7L S/B Chevy engines originally equipped with center bolt valve covers. Performer center bolt cylinder head is 50-state street legal and accept factory center bolt valve covers. The intake bolt pattern utilizes the 1987-95, 73deg angle on the two center bolts. Will maintain stock compression ratio when used with the recommended head gasket. The Edelbrock Performer head is perfect for street performance, daily drivers, street rods and muscle cars where seat-of-the-pants performance is needed. They also feature the highest quality intake and exhaust valves and valve springs.

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Part Type	Engine Cylinder Head
Manufacturer	Edelbrock
Application	Application Specific
UPC	085347608591
Series	Performer
Material	Aluminum
Quantity	Sold Individually
Guide Plate Material	Hardened Steel
Camshaft Type	Flat Tappet
Horsepower	250-425 HP
Availability Note	Available to Order
Warranty	12 Months
Seat Angle	Exhaust 45 deg/Intake 45 deg
Emissions Code	EO Number: D-215-94
Application Summary	Chevrolet:Small-Block Gen I:302 (4.9L)/327 (5.4L)/350 (5.7L)/400 (6.6L)
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	Match with Edelbrock head gasket sets. Recommended spark plugs are Champion RC12YC or equivalent 14mm x 3/4" reach with flat gasket seat.
Intake Valve Diameter	2.02 in
Intake Runner Volume	165 cc
Push Rod Diameter	(Suggested) 0.3125 in
Rocker Stud Diameter	0.375 in
Valve Angle	23 Degree
Valve Spring Diameter	1.46 in
Valve Spring Maximum Lift	0.575 in
Valve Stem Diameter	0.3438 in