Precision Race Engines Aluminum Small Block CNC Ported Chevy Cylinder Heads

$1,099.00

 

Precision Race Engines Aluminum Small Block Chevy Cylinder Heads

 

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Description

Precision Race Engines Small Block Chevy heads include a revolutionary ultra casting designed after the Dart Pro 1 cylinder heads, versatile 195cc intake ports that are specifically designed for optimum versatility, and 64 cc combustion chambers that allow the use of several types of fuels.
Standard features are high grade aluminum alloy, bronze valve guides, valve seats for use with unleaded fuel, ends milled and drilled for accessories, and a straight or angled spark plug design. Intake features bolt pattern for both early and Vortec style intakes.
These are the most affordable high quality aluminum cylinder heads on the market.

CNC Ported Heads

SBC 218cc CNC Ported (Bare Heads) = $1099.00 pr.
Specs:
2.055″/1.60″ valve sizes,
68cc chambers,
218cc Intake Runner

Flow Specs @ 28″ w/2.055″/1.60″ w/30° backcut

.200″ .300″ .400″ .500″ .600″ .700″ .800″
Intake 157 213 255 279 287 296 302

Exhaust 111 146 174 192 203 211 217
(no pipe)

Add $300 for Assembled Heads w/ 2.055″/1.60″ Stainless Steel valves
.550″ Lift Flat Tappet Springs,Steel Retainers & Locks, Viton Seals
3/8″ Rocker Studs, 5/16″ Guide Plates

Add $375 for Assembled Heads w/ 2.055″/1.60″ Stainless Steel valves
.600″ Lift Solid Flat Tappet or Hyd. Roller Springs,Steel Retainers & Locks, Viton Seals
3/8″ Rocker Studs, 5/16″ Guide Plates

Add $400 for Assembled Heads w/ 2.055″/1.60″ Stainless Steel valves
.660″ Lift Solid Roller or Aggressive Hyd. Roller Springs,Steel Retainers & Locks, Viton Seals
7/16″ Rocker Studs, 5/16″ Guide Plates