All of our Holley orders are done once a week from USA, if you need it sooner please contact us prior to ordering. Complete delivery may take up to 14 days.
Flowtech Headers are the perfect combination of quality and value. These Small Block Chevy Upright headers available in 1-5/8" and 1-3/4" tube diameters are ideal for even big cubic inch Small Block Chevy engines.
They feature a merged collector coupled with a collector spear that is welded inside the collector. These components help to improve the flow and performance of the header.
Features:
CNC Mandrel-bent tubes provide consistent tubing diameters for smooth flow and increases the cylinder scavenging effect and improves engine breathing
Heavy duty 16-gauge 409SS tubing for increased strength and durability
1-5/8” and 1-3/4” tubing diameters available for increased exhaust flow increasing performance and improved throttle response
3” collector for maximum strength and exhaust flow
Extra thick header flange for a leak-free seal and maximum strength
Welded-in collector merge spears to control exhaust gas re-entry into primary tubes
