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Edelbrock 87cc Aluminum D Port Bare Pontiac Cylinder Heads, Fast-Burn CNC Chambers, (Pair) EDL-61569-2

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  • EDL-61569-2
    • EDL-61569-2

    Pontiac 87cc D-PORT Edelbrock Heads - Bare Castings (Pair)

    Description

    These heads use the stock Pontiac D-Port exhaust port exits for use with standard D-port aftermarket exhaust systems. Performer Pontiac heads are designed for 1962-79 389, 400, 421, 428 and 455 cid V8 Pontiac engines with a 4.060" or larger bore. Can be used with 350 engine if 1.66 exhaust valves are used and block is clearanced (chamfers in top of cylinders). Manufactured with optimized oil return passages for improved flow. Features stock location accessory bolt holes. The casting is manufactured from A356 aluminum and heat treated to T6 spec for superior quality. These heads are available in three dual quench combustion chamber sizes, including 65cc, 72cc, and 87cc. The spark plug has been relocated closer to the exhaust valve for improved performance. Heat crossover is machined for 50-state emissions legal performance.

    Features:

  • 356 T6 Aluminum Casting; 5/8" thick deck
  • Ffully CNC Ported 72cc or 87cc Combustion Chamber, or As-Cast 65cc Chamber
  • D-Port exhaust flange accomodates original equipment exhaust manifolds, and aftermarket headers
  • 195cc intake and 145cc exhaust ports.
  • Angled spark plugs, relocated closer to exhaust valve
  • Improved oil return passages
  • Helicoil inserts in the exhaust and rocker stud threaded holes
  • Ductile Iron, Interlocking Seat Inserts
  • 2.11" intake and 1.66" exhaust valve sizes from Edelbrock (other valve sizes available in our BPI prepped heads)
  • Direct replacement capability; all OEM accessory bosses included
  • Includes machined heat crossover passage.
  • Stock valve cover location
  • Latest high efficiency/fast burn combustion chamber design

    • All BPI heads have polished chambers and the pushrod holes are slotted for 1.65 rockers, included in the prices. All BPI heads come with 1.77 exhaust valves unless specified. All these heads use standard valve train components.

    All BPI Edelbrock in-stock heads can be upgraded with roller springs, titanium retainers, milling, o-ringed, etc. for additional price. Or, you may send your Edelbrock heads to BPI to be ported and upgraded for improved performance.