Installation Time
(approx) 3 Hours
Difficulty Level:
Mechanical expertise or professional installation required.
Installation Guides
No guide available for this part yet.
Eckler's Catalogs Available Now!
Hooker BlackHeart 1-7/8-Inch Super Competition Long Tube Headers; Silver Ceramic (63-74 Big Block V8 Corvette C2 & C3)Find parts that fit my vehicle
Item EK-25-901559
Our Price
$1,299.95 pair
Military, Medical & First Responders
$65.00 Available in EK Cash Rewards.
Confirm Eligibility
Confirm Eligibility
Saved - View your saved items
We're sorry. We couldn't save this product at this time.
Shop Owners Save More!
Sign up for our dealer program
Product Information
Features, Description, Q&A, Specs & Installation
Features
- Tuned-Length Primary Tubes For Maximum Exhaust Scavenging And Velocity
- All Necessary Hardware Included For A Complete Installation
- Designed For Optimal Performance
- Industry’s Best Welds For Durability
- 5/16” Machined Flanges For A Perfect Seal
- Long Transition Collector For Decreased Back Pressure
- Light Weight & Sturdy 16 Gauge Tubing
- Mandrel-Bent Tubing For Smooth Exhaust Flow
- Bolt Size 3/8-16 X 3/4 In
- Bolts Included Yes
- California Proposition 65 Yes
- California Proposition 65 Chemical List Chromium, Nickel
- CARB (California) Compliant For Pre-1975 Vehicles Only
- Category Exhaust
- Collector Attachment 3-Bolt Flange
- Collector Diameter 3.00 In
- Collector Reducer Included No
- Design Long Tube
- Drive 2WD
- Emission Code 4
- Engine GM Big Block
- Finish Ceramic Coated
- Flange Thickness 5/16 In
- Gasket Or Seal Included Yes
- Header Series Super Competition
- Header Style Long Tube
- Material Mild Steel
- Mounting Hardware Included Yes
- Primary Tubing Diameter 1 7/8 In, 1.875 In
- Product Type Headers
- Quantity Sold As A Pair
- Tube Wall Thickness 16 Gauge
- Fits 63-74 Big Block V8 Corvette C2 & C3
Description
High-Performance Exhaust Headers. The Super Competition 1-7/8-Inch Long Tube Headers with Silver Ceramic finish are engineered to enhance exhaust flow for improved horsepower and torque. Designed for racing and high-performance applications, these headers optimize exhaust scavenging and velocity, providing a noticeable boost in engine efficiency and throttle response.
Construction and Appearance. Constructed from mild steel with 16-gauge tubing, these headers feature mandrel bends to ensure smooth exhaust flow. The ceramic coating finish offers excellent heat resistance, durability, and a sleek silver appearance to maintain under-hood cleanliness and reduce heat transfer.
Installation. Installation is straightforward with all necessary hardware included. These headers are designed to bolt directly onto the engine, providing a secure and precise fitment without the need for modifications.
Application. Specifically engineered to fit 1963 through 1974 Chevrolet Corvette models equipped with Big Block V8 engines (C2 and C3 generations), ensuring a perfect match for these classic muscle cars.
Hooker BlackHeart 2123-1HKR
CA Residents: 
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Installation & What's in the Box
Installation Info
What's in the Box
- (2) Tube Headers
4.5
Reviews of Hooker BlackHeart Classic Exhaust Products (3)
Questions & Answers
No questions about this product yet.
Ask the First Question
Will It Fit My Corvette
- Base - 65, 66, 67, 68, 69, 70, 71, 72, 73, 74
