Made in USA
NHRA Perfromer RPM Cylinder Heads for Small Block Chevy
InfoVehicle Info Needed
EDELBROCKPART NUMBER: 350-60947

NHRA Perfromer RPM Cylinder Heads for Small Block Chevy

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Chevrolet
  • 1986 & Earlier Small Block Chevy
  • Designed for NHRA Super Stock
  • Port Volumes: 185cc/65cc
  • Combustion Chamber Size: 64cc
  • Angled Spark Plug
  • Bare Head, Sold Each

    Installation Notes:
  • Bare heads will have valve guides and seats installed, but will require final sizing and a valve job to match the valves you will be using.
  • To use stock rockers on small-block Chevy heads, .100" longer than stock pushrods are required.
  • Recommended spark plugs are Champion RC12YC or equivalent 14mm x 3/4" reach with flat gasket seat.
  • Deck thickness: 9/16
  • Rocker stud diameter: 3/8"
  • Pushrod diameter: 5/16" (width of slot in guide plate).

    Emissions Note:

    This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

    CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART

    Since founder Vic Edelbrock Sr. began building performance intake manifolds in 1938, Edelbrock has grown into one of the most trusted names in American high-performance parts, from carburetors and intake manifolds to cylinder heads, crate engines, and EFI systems. JEGS has spent decades supplying Edelbrock components to racers, engine builders, and street enthusiasts, backing this extensive lineup with in-house technical support, fast shipping, and a Price Match Guarantee so you can choose proven Edelbrock parts with confidence.

    NHRA legal Performer RPM aluminum cylinder heads for Stock and Super Stock racing classes. These heads are similar to Edelbrock RPM cylinder heads, however the NHRA Legal heads do not have any machining or hand grinding done on the ports & chambers, except for the seat guide bores. Heads feature the NHRA logo on the ends for easy identification. Heads are sold individually. Made In The USA!
Part TypeCylinder Head
Product LineEdelbrock Performer RPM NHRA Legal Heads
BrandEDELBROCK
Package Height8.0
Package Width11.3
Package Length26.0
Weight24.345 PG
Part CategoryPerformance Parts
UsageCompetition
TypeBare
PreparationRequires Professional Preparation (Bare)
EmissionNon-Emissions
Cylinder Head TypeStandard
Part FitmentSemi Universal
FinishCast Aluminum
Engine Make/SizeChevy Small Block (262-400)
Vendor Part Number60947
Package Qty1
Package TypeEA
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