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Features
Description
Cast Aluminum Cylinder HeadSmall Block Chevy 350 w/Hydraulic Roller CamAssembled Head64cc Combustion Chamber205cc Intake RunnerStraight PlugIncludes Valves & SpringsSet of 2 Special Note: Camshaft and Lifters Not Included Assembly Specifications Max Lift: .580" Coil Bind: .750" Intake Install: 145lbs @ 1.9 Exhaust Install: 145lbs @ 1.9 Closed Sear Pressure: 145lbs Open Seat Pressure: 360lbs All Speedmaster 23deg. Small Block Chevy heads are available with Straight or Angled sparkplugs. Standard valve sizes are 2.020" Intake, and 1.60" Exhaust, both +.100" length. While the 2.02" valves are standard issue, all of our 23deg. aluminum heads can accept a 2.05" intake valve with minimal additional work. Some of our CNC ported heads (PCE281.1354-1448) are designed around 2.05" Intake valves. Our cast iron heads use 1.94" intake valves, and 1.50" exhaust valves. For those racers looking for a head with 800+hp potential, step up to our new 15deg heads! These heads have room for huge 2.180"-2.200" intake valves. We even have the matching rockers! Speedmaster CNC ported cylinder heads are machined on dedicated 4-axis and 5-axis CNC
Manufacturer: Speedmaster
Brand: Speedmaster
Item Weight: 67 pounds
Product Dimensions: 20.47 x 8.66 x 5.51 inches
Manufacturer Part Number: PCE281.2012
OEM Part Number: PCE281.2012
Date First Available: September 5, 2016
