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Edelbrock EDL-77618 E-Street 15-Degree Cylinder Heads for GM LS3 Engines with .660″ lift

£2,062.95 Inc VAT

Availability: 10 in stock

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EDL-77618 E-Street 15-Degree Cylinder Heads for GM LS3 Engines with .660″ lift

Genuine Edelbrock – not cheap chinese imitations




The E-Street Cylinder Heads for GM LS3 are designed as premium quality, bolt-on-ready cylinder heads for any high-performance or stock replacement application. The chambers are 69cc, while the dual springs allow .660 lift camshafts.

Features:

  • 2.165″ Stainless Intake Valve, 1.59″ Stainless Exhaust Valve
  • Sold in Pairs (2 complete, assembled heads per part number)
  • GM LS3 Compatible
  • 260cc Intake Port Volume
  • Ready to bolt on out of the box



Attributes:

10255 Manganese Bronze
Material Aluminum
Intake Port Location Stock
10253 Rectangle
10254 D-Port
Intake Valve Job Diameter 2.165
Intake Valve Stem Diameter 8
Exhaust Port Location Stock
Exhaust Valve Job Diameter 1.590
Exhaust Valve Stem Diameter 8
CNC Machined Intake Port No
CNC Machined Exhaust Port No
Valve Spring Diameter 1.282″ / 1.077″
Valve Spring Type Beehive
Valve Spring Maximum Lift .660
Retainer Material Steel
Retainer Diameter 1.030
Retainer Lock Style 7
Valve Lock Style 7
10265 No
6634 No
Valve Cover Mounting Style Center bolt LS3 compatible
Steam Holes Drilled No
10271 No
Valve Guide Size I.D. 8
Valve Guide Size O.D. .502
9796 Ductile Iron
10252 Tool Steel
Intake Runner Volume 260
Spark Plug Style 14mm x 5/8 hex .750″ reach
Combustion Chamber Volume 69
Exhaust Valve Angle 15
Quantity Sold in Pairs
Intake Valve Angle 15
306 Yes
Weight 25.368 kg

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