Product Summary

Hex Wrench Type, Bolt Fastener Style, Black Oxide

  • This E-Series bolt kit can be used on all Mark IV and Mark V engine blocks.
  • E-Series bolts have a yield tensile strength of 190,000 PSI
  • Bolt threads are rolled after heat-treating for superior form and strength.
  • E-Series Cylinder Head Bolts have a durable black oxide finish with sealer.
  • Thread diameter is 0.4375 in and a minimum length is 2.25 in.
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Key Specs

MFG. Part #85512
BrandEdelbrock
Fastener StyleBolt
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Need To Know

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Edelbrock 85512 Details

Edelbrock E-Series Cylinder Head Bolt Kit #85512 is a high-quality replacement set of bolts with washers for use with Chevy big-block engines equipped with Performer and Performer RPM aluminum heads. This E-Series bolt kit can be used on all Mark IV and Mark V engine blocks. E-Series bolts have a yield tensile strength of 190,000 PSI for strong and reliable loading with generous filleting throughout to eliminate stress risers. Bolt threads are rolled after heat-treating for superior form and strength, while a small hex head provides extra space for socket clearance in tight situations. E-Series Cylinder Head Bolts have a durable black oxide finish with sealer and come with the distinctive Edelbrock “E” stamped into the head.

More Information

Thread Type: Coarse

Thread Diameter: 0.4375 in

Minimum Length: 2.25 in

Emissions Code: N/A

Features and Benefits:

  • For Chevy big-block Mark IV and V engines with aluminum heads; Yield tensile strength of 190,000 PSI
  • Heat treating with rolled threads for superior form and strength
  • Black-oxide finish with sealer
  • Edelbrock “E” logo stamped on bolt head.

Hazardous Materials Warning:

WARNING: This product can expose you to Chromium, which is known to the State of California to cause cancer or birth defects or other reproductive harm. For more information, visit www.P65warnings.ca.gov.

Finish: Black Oxide

Length: (8) 2.25 in, (4) 3.75 in, (12) 4.25, (8) 5.25 in

Material: Chromoly

Edelbrock 85512 Specifications

KEY SPECS
MFG. Part #85512
BrandEdelbrock
Fastener StyleBolt
GENERAL
Wrench TypeHex
FinishBlack Oxide
ColorBlack Oxide
Cylinder Head StyleHex
Material TypeChromoly
Inside Diameter4.375"

Questions & Answers

Fitment

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