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The Edelbrock E-Tec Cylinder Heads are replacements for 302, 327, 350 & 400 c.i.d. S/B Chevy engines with "Vortec-style" manifolds. They feature an LT1-style raised runner intake port design for increased air-flow and ultimate performance. A unique combustion chamber design positions the spark plug closer to the center of the cylinder, promoting a more efficient combustion resulting in more power. These heads include an adjustable rocker stud and guide plate set-up for use with adjustable rockers or washers to properly position the stud height to accommodate factory style self-aligning rocker arms. They have 20% more exhaust flow than cast iron Vortec heads, great performance up to 6000 rpm and can produce 9.5:1 compression with stock pistons in 350 cubic-inch engines. RPM E-Tec cylinder heads are dual-drilled and will accept 1987-95 center bolt and/or 1986 & prior perimeter flange mount valve covers and most stock exhaust manifolds.
SPECS
| CNC Ported | No |
|---|---|
| Combustion Chamber Volume | 64.0 cu.in |
| Deck Height | 9.025 in |
| Deck Thickness | 0.562 in |
| Exhaust Valve Diameter | 1.600 in |
| Guide Plates Included | Yes |
| Intake Runner Volume | 200.0 cu.in |
| Intake Valve Diameter | 2.020 in |
| Material | Aluminum |
| Push Rod Diameter | 0.312 in |
| Rocker Stud Diameter | 0.375 in |
| Valve Angle | 23 deg |
| Valve Spring Diameter | 1.460 in |
| Valve Spring Maximum Lift | 0.575 in |
| Valve Stem Diameter | 0.341 in |


























