Hedman Street Headers - 1.625 in Primary - Stock Collector Flange - Black Paint - GM LS-Series - GM Fullsize SUV / Truck 1999-2007 - Pair H774009 If the two halves butt

If the two halves butt up against each other without a gap

85 lb/in Spring Rate

1960-1970 Ford Falcon

and Specialty lubricants

Hedman Street Headers - 1.625 in Primary - Stock Collector Flange - Black Paint - GM LS-Series - GM Fullsize SUV / Truck 1999-2007 - Pair H774009 If the two halves buttHedman Hedders Standard Uncoated Headers; 1 5 8" Tube Diameter; Stock Collector; Shorty Design Hedman Hedders Painted Hedders Exhaust Header 69690 Tube Size 1 5 8 in. Highest Quality Materials Computerized Precision Hand Tested; Sturdy Leak Proof Welds Durable And Affordable Hedman Hedders has been manufacturing quality headers in the USA since 1954, and they've been manufacturing long and MID LENGTH tube headers for Chevy trucks for nearly as long.