Hooker Big Block Chevy, Racing Heart Dragster Header, Chrome, 4.5" Stepped Primaries - (HKR-2502-6HKR)

* This product is part of the HolleyDays Promotion, 10% has been taken off of the normal price and the promotion price is shown above. This price is valid until December 29th. *

Description

RacingHeart Dragster Header; Fits w/Big Block Chevy; 3 Step 2.125 in./2.25 in./2.375 in. Tubing; 4.5 in. Merge Collector; Downswept; Chrome 304 Stainless Steel;

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 maximi zes 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.

Features & Benefits

• Collectors Feature Merge Spears For Increased Exhaust Velocity
• More Horsepower And Torque
• 3/8 in. Header Flanges For Strength/Maximum Sealing Surface
• Features Bungs For Evac Systems

Specifications:

Material:	304 Stainless Steel
Part Type:	Exhaust Header
Coated Finish:	Chrome
Collector Tube Size:	4.500 in.
Tube Diameter:	2.125 in. x 2.250 in.
Application:	Automotive