Aluminum Assembled Cylinder Head - GM BB Compatible - 358cc

299.75
1199.00
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          Description

          Overview:

          Get big power on a small budget with BluePrint Muscle Series cylinder heads! These lightweight aluminum heads bolt up to your big block Chevy and feature 358cc intake/125cc exhaust runners, 119cc combustion chambers, and 2.3" intake/1.880" exhaust valves. They're fully assembled with valve springs, retainers, locks, guide plates, studs, and seals. Manufactured part number PS8012.

          • Maximum output for less money!
          • Designed and produced by BluePrint Engines
          • Fully assembled with heavy duty components
          • Backed by our full 12-month limited warranty

          Intake:

          • Intake�Runner�Volume�(cc): 358cc
          • Intake�Port�Location: Standard
          • Intake Port Shape: Rectangular
          • Intake�Valves�Included: Yes
          • Intake�Valve�Diameter�(in): 2.3 in.
          • CFM Port Flow Average @ 28"�
            • .100" �� 116
            • .200" �� 184
            • .300" �� 241
            • .400" �� 291
            • .500" �� 328
            • .600" - 351

          Exhaust:

          • Runner�Volume�(cc): 125cc
          • Exhaust�Valve�Diameter�(in): 1.880 in.
          • Exhaust�Valves�Included: Yes
          • CNC-Machined�Exhaust�Runner: No
          • Port�Shape: D-Shape
          • Exhaust�Port�Location:�Raised approx .300�� vs OEM
          • CFM Port Flow Average @ 28"�
            • .100" �� 84
            • .200" �� 130
            • .300" �� 183
            • .400" �� 226
            • .500" - 260
            • .600" - 286

          Combustion Chamber:

          • Combustion Chamber Volume (cc): 119cc
          • CNC-Machined Combustion Chamber: No

          Valve Specs:

          • Maximum�Valve�Lift�(in): .700�in.
          • Intake�Valve�Angle: 24 Degrees (2 degrees rolled)
          • Exhaust�Valve�Angle: 15 Degrees
          • Valve�Guides�Included: Yes
          • Valve�Guide�Material: Manganese Bronze
          • Valve�Seats�Machined: Yes
          • Valve�Seat�Machine�Style: 5-Angle
          • Valve�Seat�Material: Chrome Nickle
          • Valve�Stem�Seals�Included: Yes
          • Valve�Stem�Seal�Style: Viton庐 Fluoroelastomer

          Springs:

          • Valve�Springs�Included: Yes
          • Spring Pressure Open: 380-400 @ 1.250
          • Spring Pressure Closed: 135-145 @ 2.000
          • Outside�Diameter�of�Outer�Spring�(in): 1.540 in.
          • Damper�Spring�Included: Yes
          • Number�of�Springs�per�Valve: Dual
          • Retainers�Included: Yes
          • Retainer�Material: Chromemoly Steel
          • Locks�Included: Yes
          • Lock�Style: 10 Degree

          Pushrods:

          • Guide Plates�Included: Yes
          • Guide Plate�Pushrod�Size (in): 3/8 in.

          Rocker Arms:

          • Rocker Arm Studs Included: Yes
          • Rocker Arm Stud Size (in): 7/16 x 20
          • Rocker Arms Included: No
          • Rocker Arm Nuts Included: No

          Misc:

          • Head�Style: Assembled
          • Cylinder�Head�Material: Aluminum
          • Cylinder�Head�Finish: Natural
          • Spark�Plug�Style: Straight
          • Cover�Mounting�Style: Perimeter Bolt
          • Oiling�Style: Through Pushrod
          • Machined�for�O-Ring: No
          • Spark Plug Style: Straight
          • Valve Cover Mounting Style: Perimeter Bolt
          • Heat�Crossover: No
          • Camshaft Style:�
          • 7/16-14 in. & 3/8 -16 in. Accessory Bolt Holes Machined on Ends of Heads
          • Exhaust port location raised approx. .300�� vs OEM

          Qty:

          • Sold Individually

          Warranty:

          • Backed by our full 12-month limited warranty!