$25 Off $250 / $50 Off $500, on Summit Racing Brand Products - Use Promo Code: BUILDIT

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
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

$25 Off $250 / $50 Off $500, on Summit Racing Brand Products - Use Promo Code: BUILDIT

It's the Season for Savings - Shop Holiday Deals Now!

Filters

In Stock
- In Stock Items. Ships Today. (88) 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.
- In Stock Items, Including at a Supplier. Ships In a Few Days. (198) 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 (215) 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
Part Type
- Headers (158) 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.
- Radiators (29) 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.
- Intake Manifolds, Fuel Injected (13) 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.
- Differential Carriers (5) 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.
- Ring and Pinion Gears (5) 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.
- Camshafts (2) 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.
- Ignition System Combo Kits (2) 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.
- Intake Manifolds, Carbureted (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
- Patriot Exhaust (82) 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.
- Doug's Headers (70) 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.
- Frostbite Performance Cooling (17) 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.
- Holley (14) 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.
- Fluidyne High Performance (12) 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.
- Yukon Gear & Axle (10) 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.
- JBA Performance Exhaust (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.
- Edelbrock (2) 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.
- MSD Ignition (2) 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.
Make/Model
Make/Engine
Filter Options
Savings Central
- Free Shipping (25)

Selected Filters

Filter Results by Vehicle

Loading...

Home
Product Results

Availability

- In Stock Items. Ships Today. (88) 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.
- In Stock Items, Including at a Supplier. Ships In a Few Days. (198) 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 (215) 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
Part Type
- Headers (158) 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.
- Radiators (29) 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.
- Intake Manifolds, Fuel Injected (13) 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.
- Differential Carriers (5) 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.
- Ring and Pinion Gears (5) 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.
- Camshafts (2) 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.
- Ignition System Combo Kits (2) 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.
- Intake Manifolds, Carbureted (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
- Patriot Exhaust (82) 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.
- Doug's Headers (70) 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.
- Frostbite Performance Cooling (17) 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.
- Holley (14) 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.
- Fluidyne High Performance (12) 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.
- Yukon Gear & Axle (10) 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.
- JBA Performance Exhaust (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.
- Edelbrock (2) 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.
- MSD Ignition (2) 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.
Make/Model
Make/Engine
Filter Options
Savings Central
- Free Shipping (25)

215 Results Found For "lowering block"

Individual Parts

Part Groups

Results 1 - 25 of 215

Holley LT Modular Hi-Ram Lower Intake Manifolds 300-237

Holley LT Modular Hi-Ram Lower Intake Manifolds 300-237

Holley LT Modular Hi-Ram Lower Intake Manifolds 300-237

Intake Manifolds, LT Modular, Hi-Ram, Base Only, Standard Deck, Tunnel Ram, 3,500-8,000 RPM Range, Aluminum, Satin Finish, Chevy, 5.3L, 6.2L, Each

Part Number: HLY-300-237

Not Yet Reviewed

Estimated Ship Date: Dec 8, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 8, 2025 if ordered today

Patriot Full-Length Street Rod Headers H8096-1

Patriot Full-Length Street Rod Headers H8096-1

Patriot Full-Length Street Rod Headers H8096-1

Headers, Long Tube, Steel, Metallic Ceramic Coated, Chevy, Small Block, Pair

Part Number: PTE-H8096-1

4.71 out of 5 stars ( 7 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Patriot Clippster Headers H8013-1

Patriot Clippster Headers H8013-1

Patriot Clippster Headers H8013-1

Headers, Clippster, Mid-Length, Steel, Ceramic Coated, 1 7/8 in. O.D. Tube Size, 3 in. Collector, Chevy, Big Block, Pair

Part Number: PTE-H8013-1

4.7 out of 5 stars ( 23 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Patriot Tri-5 Headers H8055-1

Patriot Tri-5 Headers H8055-1

Patriot Tri-5 Headers H8055-1

Headers, Tri-5, Mid Length, Steel, Ceramic Coated, Chevy, Small Block, Pair

Part Number: PTE-H8055-1

4.82 out of 5 stars ( 22 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Holley EFI Intake Manifolds 300-564

Holley EFI Intake Manifolds 300-564

Holley EFI Intake Manifolds 300-564

Intake Manifolds, Fuel Injected, EFI, Throttle Body Injection Style, Aluminum, 4500 Style Mounting Flange, Rectangular Port, Chevy, Big Block, Each

Part Number: HLY-300-564

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Holley EFI Intake Manifolds 300-260

Holley EFI Intake Manifolds 300-260

Holley EFI Intake Manifolds 300-260

Intake Manifolds, Fuel Injected, EFI, Multi-port, Aluminum, Natural, Single-plane, Plenum, 4150 Square Bore Mounting Flange, Chevy, Small Block, Each

Part Number: HLY-300-260

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Patriot Tri-5 Headers H8025-1

Patriot Tri-5 Headers H8025-1

Patriot Tri-5 Headers H8025-1

Headers, Tri-5, Mid Length, Steel, Ceramic Coated, Chevy, Small Block, Pair

Part Number: PTE-H8025-1

4.5 out of 5 stars ( 20 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Patriot Tri-5 Headers H8050-1

Patriot Tri-5 Headers H8050-1

Patriot Tri-5 Headers H8050-1

Headers, Long Tube, Steel, Ceramic Coated, Chevy, Danchuk Mounts, Small Block, Pair

Part Number: PTE-H8050-1

4.25 out of 5 stars ( 8 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Doug's Headers D3349

Doug's Headers D3349

Doug's Headers D3349

Headers, Long Tube One-piece, Steel, Silver Ceramic Coated, Round Port, Buick, Chevrolet, Oldsmobile, Pontiac, Small Block LS, Pair

Part Number: DOU-D3349

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Patriot Clippster Headers H8021-1

Patriot Clippster Headers H8021-1

Patriot Clippster Headers H8021-1

Headers, Clippster, Mid-Length, Steel, Silver Ceramic Coated, Chevy, Small Block, Pair

Part Number: PTE-H8021-1

4.67 out of 5 stars ( 46 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Patriot Full-Length Headers H8047-1

Patriot Full-Length Headers H8047-1

Patriot Full-Length Headers H8047-1

Headers, Long Tube, Steel, Ceramic Coated, Chevy, Small Block, Pair

Part Number: PTE-H8047-1

3.76 out of 5 stars ( 21 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Holley EFI Intake Manifolds 300-563

Holley EFI Intake Manifolds 300-563

Holley EFI Intake Manifolds 300-563

Intake Manifolds, Fuel Injected, EFI, Throttle Body Injection Style, Aluminum, Natural, Square Bore 4150 Style Mounting Flange, Chevy, Big Block, Each

Part Number: HLY-300-563

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Patriot Full-Length Headers H8049-1

Patriot Full-Length Headers H8049-1

Patriot Full-Length Headers H8049-1

Headers, Long Tube, Steel, Ceramic Coated, Chevy, GMC, SUV, Pickup, 4WD, Small Block, Pair

Part Number: PTE-H8049-1

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Patriot Clippster Headers H8012-1

Patriot Clippster Headers H8012-1

Patriot Clippster Headers H8012-1

Headers, Clippster, Mid-Length, Steel, Ceramic Coated, Chevy, Big Block, Pair

Part Number: PTE-H8012-1

3.91 out of 5 stars ( 11 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Patriot Roadster/Sprint Car Headers H8070

Patriot Roadster/Sprint Car Headers H8070

Patriot Roadster/Sprint Car Headers H8070

Headers, Sprint Style Roadster, Long Tube, Steel, Chrome, Chevy, Small Block, Pair

Part Number: PTE-H8070

3.2 out of 5 stars ( 5 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

JBA Performance Exhaust Competition-Ready Headers 6618S

JBA Performance Exhaust Competition-Ready Headers 6618S

JBA Performance Exhaust Competition-Ready Headers 6618S

Headers, Long Tube, Stainless Steel, Natural, Ford, Bronco, Small Block Windsor, Pair

Part Number: JBA-6618S

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Patriot Roadster/Sprint Car Headers H8069-1

Patriot Roadster/Sprint Car Headers H8069-1

Patriot Roadster/Sprint Car Headers H8069-1

Headers, Sprint Style Roadster, Long Tube, Steel, Ceramic Coated, Chevy, Small Block, Pair

Part Number: PTE-H8069-1

3.25 out of 5 stars ( 4 )

Estimated Ship Date: Dec 10, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 10, 2025 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Patriot Full-Length Headers H8034-B

Patriot Full-Length Headers H8034-B

5 out of 5 stars ( 6 )

Estimated Ship Date: Today

...Loading

Patriot Clippster Headers H8056-1

Patriot Clippster Headers H8056-1

Patriot Clippster Headers H8056-1

Headers, Clippster, Mid-length, Steel, Ceramic Coated, Chevy, Car, Small Block, Pair

Part Number: PTE-H8056-1

2.67 out of 5 stars ( 12 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Patriot Full-Length Headers H8034-1

Patriot Full-Length Headers H8034-1

Patriot Full-Length Headers H8034-1

Headers, Patriot Exhaust 1 3/4" 4-Tube Full Length Fenderwell Header Chevrolet Pass Small Block Chevrolet 55-5

Part Number: PTE-H8034-1

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Dec 10, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 10, 2025 if ordered today

Patriot Clippster Headers H8036-1

Patriot Clippster Headers H8036-1

Patriot Clippster Headers H8036-1

Headers, Engine Swap, Mid-Length, Steel, Ceramic Coated, Chevy, GMC, S-Series SUV, Pickup, Small Block V8

Part Number: PTE-H8036-1

4.5 out of 5 stars ( 10 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Patriot Tight Tuck Headers H8482-1

Patriot Tight Tuck Headers H8482-1

Patriot Tight Tuck Headers H8482-1

Headers, Tight Tuck, Block Hugger, Steel, Silver Ceramic Coated, Street Rod, Ford Small Block, Pair

Part Number: PTE-H8482-1

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Doug's Headers D623-B

Doug's Headers D623-B

Doug's Headers D623-B

Headers, Long Tube, Steel, Painted, 3.0 in. Collector, SAP Port, Ford, Mercury, Small Block Windsor, Pair

Part Number: DOU-D623-B

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Patriot Full-Length Headers H8048-1

Patriot Full-Length Headers H8048-1

Patriot Full-Length Headers H8048-1

Headers, Long Tube, Steel, Ceramic Coated, Chevy, GMC, SUV, Pickup, RWD, Small Block, Pair

Part Number: PTE-H8048-1

Not Yet Reviewed

Estimated Ship Date: Dec 10, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 10, 2025 if ordered today

Patriot Full-Length Headers H8422-1

Patriot Full-Length Headers H8422-1

Patriot Full-Length Headers H8422-1

Headers, Long Tube, Steel, Ceramic, Ford, Pickup, 272, 292, 312 Y Block, Pair

Part Number: PTE-H8422-1

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Dec 10, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 10, 2025 if ordered today

Patriot Tri-5 Headers H8078-1

Patriot Tri-5 Headers H8078-1

Patriot Tri-5 Headers H8078-1

Headers, Tri-5, Long Tube, Steel, Silver Ceramic Coated, Chevy, Big Block, Pair

Part Number: PTE-H8078-1

3.33 out of 5 stars ( 3 )

Estimated Ship Date: Dec 10, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 10, 2025 if ordered today

1
2
3
4
5
6
7
8
9
Next

Page 1 of 9
Next

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 2025 by AUTOSALES, INCORPORATED
dba Summit Racing Equipment | Trademarks

Let's Build it Together^™

Modal Header