Aluminum Assembled Cylinder Head – GM SB Compatible – 220cc

Description

Description:
Get big power on a small budget with BluePrint Muscle Series cylinder heads! These lightweight aluminum heads bolt up to your small block Chevy and feature 220cc intake/67cc exhaust runners, 64cc combustion chambers, and 2.08″ intake/1.60″ exhaust valves. They’re fully assembled with valve springs, retainers, locks, guide plates, studs, and seals. Manufacturer’s part number -HP8103.
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): 220cc
Intake Port Location: Standard
Intake Port Shape: Rectangular
Intake Valves Included: Yes
Intake Valve Diameter (in): 2.08 in.
CFM Port Flow Average @ 28″ 
.100″ – 76
.200″ – 137
.300″ – 189
.400″ – 228
.500″ – 254
.600″ – 258
Exhaust:
Runner Volume (cc): 65cc
Exhaust Valve Diameter (in): 1.600 in.
Exhaust Valves Included: Yes
Port Shape: Square
Exhaust Port Location: Raised .500 in.
CFM Port Flow Average @ 28″ 
.100″ – 112
.200″ – 155
.300″ – 186
.400″ – 203
.500″ – 208
.600″ – 216
Combustion Chamber:
Combustion Chamber Volume (cc): 64cc
CNC-Machined Combustion Chamber: No
Valve Specs:
Maximum Valve Lift (in): .650 in.
Intake Valve Angle: 23 Degrees
Exhaust Valve Angle: 23 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: 360-380 @ 1.150
Spring Pressure Closed: 115-135 @ 1.800
Outside Diameter of Outer Spring (in): 1.295 in.
Damper Spring Included: Yes
Number of Springs per Valve: Dual
Retainers Included: Yes
Retainer Material: Chromoly Steel
Locks Included: Yes
Lock Style: 7 Degree
Pushrods:
Guide Plates Included: Yes
Guide Plate Pushrod Size (in): 5/16 in.
Rocker Arms:
Rocker Arm Studs Included: Yes
Rocker Arm Stud Size (in): 7/16 in. x 20
Rocker Arms Included: N/A
Rocker Arm Nuts Included: No
Misc:
Head Style: Assembled
Cylinder Head Material: Aluminum
Cylinder Head Finish: Natural
Spark Plug Style: Straight – .750 Reach Gasket
Spark Plug Placement: Vortec
Camshaft Style: Hydraulic Roller
Accessory Bolt Holes Drilled: Yes
Valve Cover Mounting Style: Perimeter & Center Bolt
Steam Holes Drilled: No
Oiling Style: Through Pushrod
Machined for O-Ring: No
Heat Crossover: No
3/8 -16 in. Accessory Bolt Holes Machined on Ends of Heads
Qty:
Sold Individually
Warranty:
Backed by our full 12-month limited warranty!
WARNING: Cancer and Reproductive Harm- www.P65Warnings.ca.gov