Long Tube Headers for 1969–1973 Ford Mustang 351W/C V8

These long tube headers are specifically engineered for the 1969–1973 Ford Mustang equipped with the 351 Windsor or Cleveland (351W/C) V8, offering optimized exhaust flow to enhance horsepower and overall performance. Fitment: 1969–1973 Mustang with 351 cu in (5.8L) Windsor or Cleveland V8 Designed for Small Block Ford 351 engines Not compatible with big block or 429/460 swaps Note: Also fits later Mustang models with 260, 289 or 302W engines. See full compatibility here . Specifications: Brand Name: FLASHARK Certificate: ISO9001:2000 Application: Automobile Exhaust Header Material: Stainless Steel Surface: Mirror Polish Model: EH28102 Details: Primary Tube Diameter (in):1 5/8 in. Collector Attachment:3-Bolt Flange Collector Diameter:3.000 in. Primary Tube Gauge:16 Gauge 3/8" flanges and 3" collectors Flange Thickness (in):5/16 in. These long tube headers are specifically designed for the 260, 289, 302W, 351 engine to enhance power and efficiency. Delivery: Free Shipping Shipping Time: Estimated in 3-5 Working Days Warranty: Duration of Warranty: Permanent Warranty. FAQ Q1: Are these 1969–1973 mustang 351w/351c headers for small block v8 compatible with both Windsor and Cleveland variants? A1: Yes! These high-performance 1969–1973 mustang 351w/351c headers for small block v8 engines are engineered to fit classic Ford small block architectures. This heavy-duty kit provides excellent clearance and exhaust port matching, catering specifically to the distinct performance characteristics of both the 5.8L 351 Windsor and 351 Cleveland powerplants within the classic Mustang engine bay chassis. Q2: Will this kit bolt up cleanly if I am hunting for 1969 mustang 351w headers for a restoration project? A2: Absolutely. If you are tracking down premium 1969 mustang 351w headers, this product is engineered to map out the exact geometry of your classic 1969 model year engine bay. It routes smoothly past the factory shock towers and steering linkages, giving your vintage build a modern performance update while maintaining proper mechanical clearances. Q3: What are the main benefits of replacing a stock 1969 mustang 351w exhaust manifold with this system? A3: Swapping out a restrictive, heavy cast-iron 1969 mustang 351w exhaust manifold for full-length individual runners completely transforms your vehicle's efficiency. Factory manifolds dump exhaust pulses into a single choke point, causing heavy backpressure. This long tube headers upgrade provides independent paths for each cylinder, promoting superior exhaust scavenging and unlocking massive gains in horsepower and mid-to-high RPM torque. Q4: How do these 351 windsor long tube headers optimize performance compared to 351w block hugger headers? A4: While 351w block hugger headers are primarily designed just to save space in ultra-tight custom engine swaps, they lack the tuning and scavenging power of a true full-length system. These full-length 351 windsor long tube headers utilize extended, tuned-length primary tubes that generate a powerful exhaust scavenging vacuum effect, pulling spent gases out of the combustion chamber much faster than shorty or block hugger configurations. Q5: Can this kit be used directly as headers for 351 cleveland engine builds? A5: Yes, these function perfectly as high-flow headers for 351 cleveland cylinder heads. They provide precise flange alignment to ensure an airtight seal against the exhaust ports of your 351 Cleveland block, preventing common exhaust leaks and ensuring that your classic 5.8L engine receives maximum flow capacity. Q6: Do these work reliably as falcon, cougar more long tube headers replacements for other classic Fords? A6: Definitely. Since classic mid-size Ford and Mercury platforms share an almost identical engine bay structure, this assembly easily doubles as falcon, cougar more long tube headers. It provides an ideal performance upgrade path for the Mercury Cougar, Ford Falcon, Fairlane, and Torino models utilizing a small block V8 engine configuration. Q7: What material specifications ensure that these 351 long tube headers won't warp or leak? A7: These premium 351 long tube headers are manufactured using heavy-duty 16-gauge stainless steel paired with robust, thick head flanges. This heavy-duty structure withstands intense thermal expansion without warping or cracking under load, while the stunning mirror-polished surface finish keeps your classic muscle car engine bay looking immaculate. Q8: If I am shopping for headers for a 351 windsor, what are the exact pipe and collector dimensions? A8: When buying these long tube headers for 351 windsor setups, you get optimized 1-5/8 inch primary tubes that merge seamlessly into a high-flow 3.00-inch collector. This specific sizing keeps exhaust velocity exceptionally high, delivering an ideal balance of low-end throttle response and massive peak horsepower improvements for anyone custom-ordering headers for a 351 windsor build. Q9: What kind of acoustic change can I expect after mounting these headers 351 cleveland setups require? A9: Upgrading to these high-flow headers 351 cleveland units replaces the muted, restricted hum of factory iron with a deep, authoritative, and crisp classic muscle car growl. It allows the natural firing order of your small block V8 to ring out clearly under load, while keeping a smooth, aggressive, and refined rumble at idle. Q10: If I decide to run a smaller block, does FLASHARK offer dedicated 302 long tube headers? A10: Yes! While this specific product is customized for the taller deck height of the 351, FLASHARK also manufactures high-performance 302 long tube headers. If you are building a 260, 289, or 302 Windsor engine, we offer perfectly scaled variants engineered specifically for those lower-deck small block V8 configurations to guarantee perfect steering shaft and chassis clearance. Q11: Is the collector connection on these 351 headers easy to link to the rest of my exhaust system? A11: Yes, these premium 351 headers feature a robust 3-bolt flange collector attachment system. This classic racing design allows you to clamp or bolt your custom downpipes securely, providing a rugged, vibration-resistant joint that prevents blowouts under aggressive track or street driving. Q12: Does this long tube headers 351w kit include all the required installation gaskets? A12: Absolutely. Every long tube headers 351w package comes fully equipped with heavy-duty engine head flange gaskets and collector flange gaskets right out of the box. This ensures you have everything needed to achieve a leak-free, high-compression seal immediately upon installation. Q13: Why should I trust FLASHARK over cheaper unbranded 1969 mustang headers available online? A13: Unlike generic unbranded 1969 mustang headers that use thin, low-grade steel prone to cracking and poor flange alignment, FLASHARK products are built under strict ISO9001:2000 quality management system certifications. We combine precision mandrel bends, flawless TIG welding, mirror-polished aesthetics, and a verified bolt-on fitment to provide premium durability and track-ready performance without charging a premium boutique markup.