Product Description
Cylinder Head, Performer RPM, Aluminum, Assembled, 58cc, 176cc Intake Runner, Dodge, Jeep, 5.2, 5.9L, Each Brand: Edelbrock Manufacturer's Part Number: 61775 Part Type: Cylinder Heads Product Line: Edelbrock Performer RPM Chrysler Magnum Cylinder Heads Cylinder Head Style: Assembled Cylinder Head Material: Aluminum Intake Valve Diameter (in): 2.020 in. Cylinder Head Finish: Natural Combustion Chamber Volume (cc): 58 CNC-Machined Combustion Chamber: No Intake Runner Volume (cc): 176cc Exhaust Runner Volume (cc): 75cc CNC-Machined Intake Runner: No CNC-Machined Exhaust Runner: No Intake Port Location: Standard Exhaust Port Location: Standard Intake Valves Included: Yes Exhaust Valves Included: Yes Exhaust Valve Diameter (in): 1.600 in. Valve Springs Included: Yes Maximum Valve Lift (in): 0.600 in. Outside Diameter of Outer Spring (in): 1.460 in. Damper Spring Included: Yes Number of Springs Per Valve: Dual Retainers Included: Yes Retainer Material: Steel Locks Included: Yes Lock Style: 7 degree Valve StemSeals Included: Yes Valve Stem Seal Style: Positive stop Rocker Arm Studs Included: Yes Rocker Arm Nut Thread Size: 3/8-24 in. Rocker Arms Included: No Rocker Arm Nuts Included: No Guideplates Included: Yes Guideplate Pushrod Size: 5/16 in. Valve Cover Mounting Style: Perimeter bolt Accessory Bolt Holes Drilled: Yes Intake Valve Angle: 18 Valve Guides Included: Yes Valve Guide Material: Manganese bronze Valve Seats Machined: Yes Valve Seat Machine Style: 3-angle Valve Seat Material: Ductile iron Steam Holes Drilled: No Oiling Style: Through head Machined for O-Ring: No Heat Crossover: No Quantity: Sold individually. Notes: With springs for hydraulic roller cams, Requires hardened pushrods, EDL-9638. Match with Edelbrock head gasket sets. Recommended sparkplugs 14mm x 3/4in. reach with flat gasket seat (Champion RC12YC). Exhaust flanges in stock location to allow use of stock exhaust if desired. Accepts widely available small-block Chevy adjustable rockers 1.6 ratio and classic valve covers EDL-4177 and EDL-41773 These Performer RPM Chrysler Magnum heads give substantial performance improvements for street/strip and off-road performance use. They offer an easy bolt-on engine upgrade with substantial out-of-the-box performance gains. Stock Magnum intake and exhaust flange and port locations make these heads an ideal choice for use with stock equipment as well as the new RPM Air-Gap manifold. These heads feature a slight increase in compression over the factory heads, offer more flow than stock, and accept adjustable aftermarket rocker arms. These heads are available in bare or assembled versionsin. hardened pushrods are required.
