Beat-a-Price Guarantee - You Find It, We'll Beat It!

Make/Model Search
Make/Engine Search

Brands
Savings Central
Contact Us
Help Center
1-800-230-3030

Call Us
My Garage
Wish List
Order Status & Returns

Welcome
My Account

Order Status

Wish List
Savings Central
Shop by Brand
Shop Your Passion
- Shop Your Passion
- Truck / SUV
  
  Jeep®
  
  Restoration
  
  Stock Replacement
  
  Late Model Muscle
  
  Tools
  
  Gifts, Clothing, & More
  
  Circle Track
  
  Street Rod
  
  Powersports
  
  Paint & Body
  
  Marine
  
  Jr Dragster
Gift Cards
My Garage
See Our Catalogs
News & Events
Career Opportunities
Contact Us
Help Center
1-800-230-3030 1-800-230-3030
New Products
Shop by Make/Model
Sign In

Search Make/Model

Search Make/Engine

Sign In

Welcome
Account Dashboard
Profile
Order Status & Returns
Buy It Again
Wish List
Rewards Program
Gift Cards & Summit Bucks
Address Book
My Garage Settings
Email Preferences
Text Notifications
My Reviews
My Questions
Catalogs
Tax Exemption
Sign In

Beat-a-Price Guarantee - You Find It, We'll Beat It!

Save Now on Select Stock Replacement Parts!

Filters

In Stock
- In Stock Items. Ships Today. (8) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- All Items, Including Not In Stock (16) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Department
- Fasteners & Hardware
- Ignitions & Electrical
Part Type
- Spark Plug Wire Components (6) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Bolts and Screws (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Washers (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Brand
- Summit Racing (6) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- ARP (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Ringbrothers (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Filter Options
- Made In USA (7)
- Stock Replacement (6)

Selected Filters

Home
Product Results

Availability

- In Stock Items. Ships Today. (8) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- All Items, Including Not In Stock (16) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Filters
Department
- Fasteners & Hardware
- Ignitions & Electrical
Part Type
- Spark Plug Wire Components (6) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Bolts and Screws (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Washers (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Brand
- Summit Racing (6) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- ARP (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Ringbrothers (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Filter Options
- Made In USA (7)
- Stock Replacement (6)

8 Results Found For "8504"

Showing In Stock Items. Show All 16 Items.

Individual Parts

Part Groups

Results 1 - 8 of 8

ARP Special Purpose Washers 200-8504

Made in the USA

ARP Special Purpose Washers 200-8504

ARP Special Purpose Washers 200-8504

Washer, Steel, Black Oxide, .375 in. I.D., .625 in. O.D., .120 in. Thick, Each

Part Number: ARP-200-8504

Not Yet Reviewed

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

BUILD IT WITH SUMMIT!

Filter my search results to see Summit Racing brand parts.

Summit Racing™ Spark Plug Boot Kits SUM-850436

Summit Racing™ Spark Plug Boot Kits SUM-850436

Spark Plug Boots, Silicone, Gray, 8.0mm or 8.5mm, 180 Degree, Smooth Boot, Muti-Angle, Pair

Part Number: SUM-850436

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

Ringbrothers Fasteners 8504B

Ringbrothers Fasteners 8504B

Ringbrothers Fasteners 8504B

Bolt Kit

Part Number: RGB-8504B

Not Yet Reviewed

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

Summit Racing™ Distributor Boots SUM-850440

Made in the USA

Summit Racing™ Distributor Boots SUM-850440

Summit Racing™ Distributor Boots SUM-850440

Distributor Boots, Silicone, Black, 8.0mm or 8.5mm, 90 Degree, Male/HEI, Pair

Part Number: SUM-850440

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

Summit Racing™ Distributor Boots SUM-850442

Made in the USA

Summit Racing™ Distributor Boots SUM-850442

Summit Racing™ Distributor Boots SUM-850442

Distributor Boots, Silicone, Black, 8.0mm or 8.5mm, 90 Degree, Female/Socket, Pair

Part Number: SUM-850442

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

Summit Racing™ LS1 Coil Boots SUM-850448

Made in the USA

Summit Racing™ LS1 Coil Boots SUM-850448

Summit Racing™ LS1 Coil Boots SUM-850448

Coil Boots, Silicone, Black, 8.0mm or 8.5mm, 135 Degree, Female/Socket, Pin Cap, Pair

Part Number: SUM-850448

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

Summit Racing™ Vortec Distributor Boots SUM-850446

Made in the USA

Summit Racing™ Vortec Distributor Boots SUM-850446

Summit Racing™ Vortec Distributor Boots SUM-850446

Coil Boots, Silicone, Black, 8.0mm or 8.5mm, 180 Degree, Female/Socket, Pin Cap, Pair

Part Number: SUM-850446

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

Summit Racing™ Distributor Boots SUM-850444

Made in the USA

Summit Racing™ Distributor Boots SUM-850444

Summit Racing™ Distributor Boots SUM-850444

Distributor Boots, Silicone, Black, 8.0mm or 8.5mm, 180 Degree, Female/Socket, Pair

Part Number: SUM-850444

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

1

Page 1 of 1

Modal Header

Contact us with questions.

Call To Order

This is a custom order part. You can order this part by Contacting Us.

Summit Racing Speedcard. Synchrony Car Care.

Summit Racing Equipment SpeedCard

Jumpstart Your Next Project!

View Details|See if you Prequalify

Stay Updated with Emails from Summit Racing

Never miss a sale on new parts, tools, and more!

= Required

First Name

Last Name

Email Address Email required

See Our Catalogs

News & Events

News & Events Home
OnAllCylinders (blog)
Calendar of Events
New Product Releases
Summit Racing News
News You Can Use
Featured Vehicles
Media Center
Sanctioning Bodies

Help

Help Center
Return Policy
Beat-A-Price Guarantee
Payment Options
Contact Us

Social

Facebook
X/Twitter
Instagram
Pinterest
YouTube
Podcast

About Summit

Corporate History
Retail Locations

My Account

Profile
Email Preferences
Order Status & Returns
Wish List
Address Book
My Reviews
My Questions
My Garage
Sign In

Career Opportunities

More

Summit Racing Credit Card
Gift Cards
Calculators & Tools
Promo Exclusions
Become an Affiliate
Summit Racing Rewards Program
Summit Racing Equipment Protection Plan

Terms of Use | Privacy and Security | Site Accessibility
Copyright 2026 by AUTOSALES, INCORPORATED
dba Summit Racing Equipment | Trademarks

Let's Build it Together^™

Modal Header