Precision Race Aluminum SBC Cylinder Heads w/ .660 Lift Springs

$999.00

Precision Race Aluminum SBC Cylinder Heads w/ .660 Lift Springs, 195cc intake runners, & 64cc Combustion Chambers

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Description

These new pair of assembled 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.
Features

  • Erson 2.02 & 1.600 SS Valves
  • Erson 207lb @ 1.900 .650″ lift Soild Roller or  Agressive Hydraulic Roller with race lifters
  • Erson Chrome moly 10 degree retainers
  • Erson Hardened 10 degree locks
  • Erson 7/16 rocker arm studs
  • Erson 5/16 Guide Plates
  • Teflon valve Seals
  • Straight Plug Design
  • 195 cc intake runners
  • 64cc combustion chambers

Flow Numbers verified on our SuperFlow SF-600

Intake

  • .200″ Lift 153
  • .300″ Lift 205
  • .400″ Lift 241
  • .500″ Lift 261
  • .600″ Lift 266
  • .700″ Lift 269

Exhaust

  • .200″ Lift 108
  • .300″ Lift 136
  • .400″ Lift 162
  • .500″ Lift 181
  • .600″ Lift 192
  • .700″ Lift 198

These complete pair of heads will be assembled and ready to install. Fits Chevrolet 302DZ 305 327 350 383 400 427 434 stroker small blocks

 

Custom ordered and usually ship within 2 weeks after payment.