Holley Performance 300-137BK Engine Intake Manifold
Holley Performance 300-137BK Engine Intake Manifold
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Holley EFI

Holley Performance 300-137BK Engine Intake Manifold

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Key item features

  • Black ceramic coating provides an aggressive look to your engine compartment
  • 2500-7000 RPM power band
  • 4150 Square bore flange
  • Optimized runner layout and constant cross sectional area - broad torque curve, best vehicle performance from 2500-7000 RPM
  • Minimum carb flange height - fit in vehicles with minimum hood modifications
  • Cast aluminum construction - great manifold for centrifugal blower, turbocharged or NOS power adder applications
  • Efficient casting design - lightweight, consistent wall thicknesses, improved casting quality
  • Weight - 11.5 lbs.
  • Height (front) - 5.417" to the lifter valley cover flange at the engine block front flange
  • Port size - 2.50" height x 1.15" wide
  • Includes Viton® O-ring intake to cylinder head gaskets - Viton® is a registered trademark of DuPont Performance Elastomers
  • Kit does not work with factory fuel rails and requires the use of Holley Fuel Rail Kit P/N 534-219
Current price is Now $505.95
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was $562.95
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4.414715719063545 stars out of 5, based on 299 seller reviews(4.4)
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Showing 1-1 of 1 review

Jun 16, 2023
Lost customer
1 out of 5 stars review

Don't order from here

I bought this and waited for it to ship. I finally received it and it didn't come with the o rings. Then I get told they are just a vendor and they will have manufacture email me. Still haven't received any emails I had to order the o rings myself.

Review from jegs.com
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