CYLINDER HEADS - Chevrolet - 409

348/409 “W” SERIES CHEVY STREET HIGH-PERFORMANCE
  • Designed for 1961-1965 Chevrolet “W” series 348/409 big-block engines
  • Original port locations and valve angles for bolt-on convenience
  • CNC port matched 220cc intake and 90cc exhaust ports for optimum flow and power
  • Improved port design for more performance
  • Hardened spring cups, screw-in rocker studs and hardened guideplates

PERFORMER RPM 348/409 Chevy
Chamber Size Intake Port Size Valve Sizes (in/ex) Bare (single) Complete (single)
6cc 220cc 2.19"/1.72" #60809* #60819*

Notes: May be used on 348 engines with valve lifts up to .550" only.
Flow Data tested @ 28" H20 (rated in CFM)
Valve Lift .100" .200" .300" .400" .500" .600" .700"
Intake 73 143 203 239 260 272 285
Exhaust 62 118 158 185 205 217 222


Check out these additional 348/409 Edelbrock products
#7158 Performer RPM Big-Block, Small Port (non-EGR) Intake Manifold
#5409 Performer RPM Dual-Quad Intake Manifold
#4140 Classic Series Valve Covers
#4119 Classic Series Air-Cleaner
#8858 Victor Series Aluminum Water Pump
#18044 500cfm Thunder Series Carburetors
#9635 Pushrod set
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