Flowmaster 814114 Header 409S-3.50" for 68-74 Chevelle/El Camino

Flowmaster 814114 Header 409S - 4-1 One piece - 3.50 in. Ball and Socket Flange Outlet - Pair

Flowmaster's Scavenger Series Elite long tube headers are designed to replace the restrictive factory cast iron manifolds. These high quality headers are manufactured from stainless steel and are ceramic coated for maximum durability. They feature 2 in. primary tubes, 3/8 in. thick flanges and incorporate Flowmaster's popular 3-1/2 in. ball flange collector connections ensuring a leak free installation. Scavenger Series long tube headers deliver maximum performance and are suited to the enthusiast who wants the best. Like all Flowmaster products the benefits include improved throttle response, power and engine efficiency. Designed for an easy fit these headers include gaskets and necessary hardware for easy installation. Will not fit with Saginaw close ratio 825 steering box. Big Block frame stands and motor mounts must be used to ensure proper engine location and header fit. Requires removal or modification of locking steering columns if equipped. Does not fit with Powerglide transmission. This product is legal only for off highway use except in California or states that have adopted California's emission standards, racing use or for use on pre emission controlled motor vehicles and motor vehicle engines and pre 1966 domestic vehicles certified to California standards and pre 1968 domestic vehicles certified to federal standards and all pre 1968 foreign vehicles, per the application guide.

Features:

• Stainless steel construction
• Ball & socket collector connections
• Dyno tuned for maximum performance
• High temperature ceramic coated
• 0.375 thick laser cut flanges
• Premium Flowmaster quality

Product Specification:

• Automotive Item Grade: High Performance Part
• Bolts/studs included: Yes
• CARB (California) Compliant: No
• Finish: Silver Ceramic
• Header collector attachment method: Ball & Socket Flange
• Header collector included: Yes
• Header Collector Outlet Diameter (in): 3.50
• Header head flange thickness (inch): 0.375
• Header inlet port shape: Square
• Header Primary Tube Diameter (in): 2.00
• Header series: Scavenger Series Elite
• Header style: 4-1 One-Piece
• Header tube gauge: 16
• Header tube lengths: Unequal Length
• Material: Stainless Steel
• Motor mounts included: No
• Reducers included: Yes
• SEMA emissions code: 3
• Transmission mounts included: No
• Y-Pipes included: No

Fitments:

• 1968 Chevrolet Chevelle 300 V8, 6.5L
• 1968-1969 Chevrolet Chevelle 300 Deluxe V8, 6.5L
• 1972 Chevrolet Chevelle Base V8, 5.7L
• 1970-1972 Chevrolet Chevelle Base V8, 6.6L
• 1972 Chevrolet Chevelle Base V8, 5.0L
• 1970 Chevrolet Chevelle Base V8, 6.6L
• 1972 Chevrolet Chevelle Base L6, 4.1L
• 1970-1972 Chevrolet Chevelle Base V8, 6.6L
• 1972 Chevrolet Chevelle Base L6, 4.1L
• 1970-1972 Chevrolet Chevelle Base V8, 7.4L
• 1972 Chevrolet Chevelle Base V8, 5.7L
• 1971-1972 Chevrolet Chevelle Base V8, 7.4L
• 1970-1972 Chevrolet Chevelle Concours V8, 7.4L
• 1972 Chevrolet Chevelle Concours V8, 5.7L
• 1970-1972 Chevrolet Chevelle Concours V8, 6.6L
• 1972 Chevrolet Chevelle Concours V8, 5.7L
• 1968-1969 Chevrolet Chevelle Concours V8, 6.5L
• 1970 Chevrolet Chevelle Concours V8, 6.6L
• 1972 Chevrolet Chevelle Concours V8, 5.0L
• 1970-1972 Chevrolet Chevelle Concours V8, 6.6L
• 1972 Chevrolet Chevelle Concours L6, 4.1L
• 1970-1972 Chevrolet Chevelle Concours Estate V8, 6.6L
• 1972 Chevrolet Chevelle Concours Estate V8, 5.7L
• 1969 Chevrolet Chevelle Concours Estate V8, 6.5L
• 1970-1972 Chevrolet Chevelle Concours Estate V8, 6.6L
• 1972 Chevrolet Chevelle Concours Estate V8, 5.0L
• 1970-1972 Chevrolet Chevelle Concours Estate V8, 7.4L
• 1972 Chevrolet Chevelle Concours Estate L6, 4.1L
• 1972 Chevrolet Chevelle Concours Estate V8, 5.7L
• 1973 Chevrolet Chevelle Deluxe V8, 6.6L
• 1973 Chevrolet Chevelle Deluxe V8, 5.0L
• 1973 Chevrolet Chevelle Deluxe V8, 5.7L
• 1973 Chevrolet Chevelle Deluxe V8, 7.4L
• 1973 Chevrolet Chevelle Deluxe L6, 4.1L
• 1973 Chevrolet Chevelle Deluxe L6, 4.1L
• 1973 Chevrolet Chevelle Deluxe V8, 5.7L
• 1973 Chevrolet Chevelle Deluxe V8, 7.4L
• 1969 Chevrolet Chevelle Greenbrier V8, 6.5L
• 1970-1972 Chevrolet Chevelle Greenbrier V8, 6.6L
• 1970 Chevrolet Chevelle Greenbrier V8, 6.6L
• 1972 Chevrolet Chevelle Greenbrier V8, 5.7L
• 1970-1972 Chevrolet Chevelle Greenbrier V8, 6.6L
• 1972 Chevrolet Chevelle Greenbrier V8, 5.0L
• 1970-1972 Chevrolet Chevelle Greenbrier V8, 7.4L
• 1972 Chevrolet Chevelle Greenbrier L6, 4.1L
• 1972 Chevrolet Chevelle Greenbrier V8, 5.7L
• 1970-1971 Chevrolet Chevelle Malibu V8, 6.6L
• 1972 Chevrolet Chevelle Malibu L6, 4.1L
• 1970-1972 Chevrolet Chevelle Malibu V8, 6.6L
• 1972 Chevrolet Chevelle Malibu L6, 4.1L
• 1970-1972 Chevrolet Chevelle Malibu V8, 7.4L
• 1972 Chevrolet Chevelle Malibu V8, 5.7L
• 1970 Chevrolet Chevelle Malibu V8, 6.5L
• 1970-1972 Chevrolet Chevelle Malibu V8, 6.6L
• 1972 Chevrolet Chevelle Malibu V8, 5.7L
• 1968-1969 Chevrolet Chevelle Malibu V8, 6.5L
• 1970-1972 Chevrolet Chevelle Malibu V8, 7.4L
• 1972 Chevrolet Chevelle Malibu V8, 5.0L
• 1968-1969 Chevrolet Chevelle Nomad V8, 6.5L
• 1972 Chevrolet Chevelle Nomad V8, 5.7L
• 1970-1972 Chevrolet Chevelle Nomad V8, 6.6L
• 1972 Chevrolet Chevelle Nomad V8, 5.0L
• 1970 Chevrolet Chevelle Nomad V8, 6.6L
• 1972 Chevrolet Chevelle Nomad L6, 4.1L
• 1970-1972 Chevrolet Chevelle Nomad V8, 6.6L
• 1972 Chevrolet Chevelle Nomad L6, 4.1L
• 1970-1972 Chevrolet Chevelle Nomad V8, 7.4L
• 1972 Chevrolet Chevelle Nomad V8, 5.7L
• 1971-1972 Chevrolet Chevelle Nomad V8, 7.4L
• 1971 Chevrolet Chevelle SS V8, 6.6L
• 1968-1969 Chevrolet Chevelle SS V8, 6.5L
• 1970-1972 Chevrolet Chevelle SS V8, 6.6L
• 1970-1972 Chevrolet Chevelle SS V8, 7.4L
• 1970 Chevrolet Chevelle SS V8, 6.5L
• 1970-1972 Chevrolet Chevelle SS V8, 6.6L
• 1972 Chevrolet El Camino Base V8, 5.0L
• 1970 Chevrolet El Camino Base V8, 6.5L
• 1972 Chevrolet El Camino Base V8, 5.7L
• 1970-1972 Chevrolet El Camino Base V8, 6.6L
• 1970-1974 Chevrolet El Camino Base V8, 7.4L
• 1970-1974 Chevrolet El Camino Base V8, 6.6L
• 1970-1974 Chevrolet El Camino Base V8, 7.4L
• 1974 Chevrolet El Camino Base V8, 6.6L
• 1968-1969 Chevrolet El Camino Base V8, 6.5L
• 1968-1974 Chevrolet El Camino Base L6, 4.1L
• 1968-1974 Chevrolet El Camino Base L6, 4.1L
• 1972 Chevrolet El Camino Base V8, 5.7L
• 1968-1973 Chevrolet El Camino Custom L6, 4.1L
• 1972 Chevrolet El Camino Custom V8, 5.7L
• 1972 Chevrolet El Camino Custom V8, 5.0L
• 1972 Chevrolet El Camino Custom V8, 5.7L
• 1970-1972 Chevrolet El Camino Custom V8, 6.6L
• 1974 Chevrolet El Camino Custom V8, 6.6L
• 1970-1974 Chevrolet El Camino Custom V8, 7.4L
• 1970-1974 Chevrolet El Camino Custom V8, 6.6L
• 1968-1969 Chevrolet El Camino Custom V8, 6.5L
• 1970-1974 Chevrolet El Camino Custom V8, 7.4L
• 1968-1973 Chevrolet El Camino Custom L6, 4.1L

Note: 1968 to 1974 Chevelle and El Camino with a 396 to 502 cubic inch displacement big block V8 engine, long tube headers.