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® 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!
WARNING: Cancer and Reproductive Harm-
www.P65Warnings.ca.gov
