The Edelbrock 8504 is an intake manifold bolt set made for 1986 and earlier small-block Chevy Edelbrock intake manifolds. It has cadmium-finished Grade 5 steel bolts with reduced hex heads for wrench access, plus hardened washers. Thread diameter is 0.375 in with a coarse thread, and the specified bolt length is 1.000 in.
Notes:
- Made for 1986 and earlier small-block Chevy Edelbrock intake manifolds.
- Includes bolts and hardened washers.
Specifications:
- Brand: Edelbrock
- Part Number: 8504
- Part Type: Engine Intake Manifold Bolt Set
- Thread Type: Coarse
- Thread Diameter: 0.375 in
- Bolt Grade: 5
- Finish: Silver
- Length: 1.000 in
- Material: Steel
- Head Drive Type: Hex
- Manufacturer warranty: 12 months
Engine Applications
- Chevrolet Small-Block Gen I: 262 (4.3L)-400 (6.6L)
FAQ
What engines does the Edelbrock 8504 fit?
It fits 1986 and earlier small-block Chevrolet Gen I V8s from 262 to 400 cubic inches with an Edelbrock intake manifold.
What is included in the 8504 bolt set?
Cadmium-finished Grade 5 steel intake bolts with reduced hex heads and hardened washers.
What thread size are the 8504 bolts?
They have a 0.375 in thread diameter with a coarse thread, and the specified bolt length is 1.000 in.
California Proposition 65: 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.

