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Hooker's RacingHeart Big Block Chevy Downswept, 3-Step Dragster Headers feature 2.125 inch/2.25 inch/2.375 inch stepped primary tubes to maximize exhaust flow, resulting in horsepower and torque gains over a broad rpm range. The 4.5 inch merge collector with merge spear design improves the transition of the exhaust pulse from the primary tube to the collector and maximizes the scavenging effect on the exhaust pulse. This helps maintain the velocity of the pulses as they travel through the collector. These headers are ideal for big block Chevy engines making over 1000 horsepower. They are available in both Chrome plated Mild Steel and Polished 304 Stainless Steel.
Hooker Racingheart 3-Step Dragster Headers - Chrome - 2502-6HKR
$1,499.95
Features:
- Available in both Chrome Plated Mild Steel and Polished 304 Stainless Steel
- 3-Step header design
- Mandrel-Bent Tubing
- Merged Collector
- Chrome
Product Specifications:
- Product Details: Big Block Chevy, Downswept, 2.125 in. / 2.25 in. / 2.375 in. Stepped Primaries, 4.5 in. Merge Collector, Chrome
- Air Injection Tubes: No
- 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: No
- Collector Attachment: Slip-Fit
- Collector Diameter: 4.50 IN
- Collector Reducer Included: No
- Collector Reducer Outlet Diameter: N/A IN
- Color: Silver
- Design: Pro-Mod Side Exit
- Drive: 2WD
- EGT Port: No
- Engine: Big Block Chevy, Chevrolet Small Block Gen I
- Finish: Ceramic Coated
- Flange Thickness: 3/8 IN
- Gasket Or Seal Included: Yes
- Grade Type: Performance
- Header Series: Hooker Racingheart 3-Step Dragster Headers
- Header Style: Long Tube
- Material: Mild Steel
- Mounting Hardware Included: Yes
- Oxygen Sensor Port: No
- Part Type: Exhaust Header
- Port Shape: Round
- Primary Tubing Diameter: 2 1/4 IN, 2 1/8 IN, 2 3/8 IN, 2.125 IN, 2.25 IN, 2.375 IN
- Product Type: Headers
- Quantity: Sold as a Pair
- Tube Length: 30 inch
- Tube Wall Thickness: 16 GU