Kooks Headers KSH70-024 GM Gen 5 LT1 1-7/8-Inch Primary Header Flange

Kooks Headers and Exhaust has been the leader in the High Performance Exhaust Industry for over 50 Years! Since 1962, Kooks takes pride in offering the best Headers and complete exhaust systems for your street, race and off-road applications. We have won hundreds of championships and set countless records in the NHRA, IHRA, NMCA, NMRA, NASCAR, NASA, SCCA and many other racing organizations. Now with three generations of family leadership, we are proud to say that all of our products are handcrafted here in the USA and we are proud to still be independently owned and operated. And don't forget, "Get Kookin with KOOKS!" GM GEN 5 LT1 Header Flange. 3/8in. Thick 304 Stainless Steel. Oval Ports for 1-7/8in. Primaries. Sold Individually. GM GEN 5 LT1 Header Flange. 3/8" Thick 304 Stainless Steel. Oval Ports for 1-7/8" Primaries. Sold Individually. GM GEN 5 LT1 Header Flange 3/8" Thick 304 Stainless Steel Oval Ports for 1-7/8" Primaries Sold Individually

• Manufactured In The USA. Kooks Uses T304 Aircraft Quality Stainless Steel. Kooks Products are Backed by a Limited Lifetime Warranty To the Original Purchaser. Kooks Products Are Dyno And Race Tested and Designed For Maximum Power.
• Kooks Headers And Exhaust Make The Most Power In The Industry
• Kooks System Are Specifically Designed For Maximum Power
• Kooks Products Are Made Of T304 Air Craft Quality Steel
• Limited Lifetime Warranty To Original Purchaser
• 3 Generations Being Family Owned And Operated
• Every Kooks Product Is Dyno And Race Tested
• Kooks Products Fit And Install The Best
• 100 Percent Manufactured In The USA

The Kooks Headers KSH70-024 GM Gen 5 LT1 header flange is designed for custom exhaust and header fabrication using 1-7/8-inch primary tubes. Manufactured from 3/8-inch-thick T304 aircraft-quality stainless steel, this oval-port flange provides a durable, precise foundation for high-performance applications. It is sold individually and is intended for builders, fabricators, and performance enthusiasts working on compatible GM Gen 5 LT1 engines.

Kooks Headers has manufactured high-performance exhaust components in the USA for more than 50 years. The KSH70-024 reflects the brand’s focus on accurate fitment, durable materials, and performance-oriented design. Kooks products are dyno and race tested to support reliable installation and maximum exhaust flow. The flange is also backed by a limited lifetime warranty to the original purchaser, helping provide long-term confidence in custom header projects.

• Brand: Kooks Headers
• Part Number: KSH70-024
• Application: GM Gen 5 LT1 engine header fabrication
• Primary Tube Compatibility: 1-7/8-inch primaries
• Port Style: Oval
• Material: T304 aircraft-quality stainless steel
• Thickness: 3/8 inch
• Country of Manufacture: USA

What's Included: One Kooks Headers GM Gen 5 LT1 header flange. Header tubes, gaskets, fasteners, and installation hardware are not included unless specified by the manufacturer.

Fitment: Designed to fit 2014-2016 Chevrolet Corvette applications equipped with the GM Gen 5 LT1 engine. Verify engine configuration, cylinder-head port design, and header tube size before ordering. This product is not CARB approved and may not be legal for use on pollution-controlled vehicles in all areas.

Features:

• T304 Stainless Steel Construction: Made from durable aircraft-quality stainless steel for corrosion resistance and long-term performance.
• 1-7/8-Inch Primary Compatibility: Designed for custom headers using 1-7/8-inch primary tubes.
• Oval Port Design: Matches GM Gen 5 LT1 oval exhaust ports for performance-oriented header fabrication.
• USA Manufacturing and Warranty: Handcrafted in the USA, dyno and race tested, and backed by a limited lifetime warranty to the original purchaser.

Fitments:
2014 Chevrolet Corvette Stingray
2015 Chevrolet Corvette Stingray
2016 Chevrolet Corvette Stingray

Air Freight Prohibited: false
Not Carb Approved: true
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: N/A
Carb Acknowledgement Required: false
Regular Stock: t
Units Per Sku: 1