Flowmaster 814111 Header 409S - 3" for 1965-1974 Camaro/Chevelle

Flowmaster 814111 Header 409S - 4-1 One piece - 3.00 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 1-3/4 in. primary tubes, 3/8 in. thick flanges and incorporate Flowmaster's popular 3 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.

Note 1: Will not fit Saginaw close ratio with 825 power steering box.
Note 2: Big block frame stands and motor mounts must be used to ensure proper engine location and header fit.
Note 3: Will fit Detroit speed & engineering front sub frames with rack and pinion steering.
Note 4: Does not fit with Powerglide transmission.
Note 5: Does not fit column shift automatic transmission for Camaro.
Note 6: This product is legal only for off-highway use (except in California or states that have adopted California emission standards), racing use or for use on pre-emission controlled motor vehicles/motor vehicle engines (pre-1966 domestic vehicles certified to California standards, 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): 3.00
• Header head flange thickness (inch): 0.375
• Header inlet port shape: Round
• Header Primary Tube Diameter (in): 1.75
• 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:

• 1967-1969 Chevrolet Camaro Base V8, 6.5L
• 1969 Chevrolet Camaro Base V8, 7.0L
• 1970 Chevrolet Camaro Base V8, 6.5L
• 1970-1972 Chevrolet Camaro Base V8, 6.6L
• 1969 Chevrolet Camaro SS V8, 6.5L
• 1972 Chevrolet Camaro Z28 V8, 6.6L
• 1968 Chevrolet Chevelle 300 V8, 6.5L
• 1968-1969 Chevrolet Chevelle 300 Deluxe V8, 6.5L
• 1971-1972 Chevrolet Chevelle Base V8, 7.4L
• 1970-1972 Chevrolet Chevelle Base V8, 6.6L
• 1970-1972 Chevrolet Chevelle Base V8, 7.4L
• 1965-1967 Chevrolet Chevelle Base V8, 6.5L
• 1970-1972 Chevrolet Chevelle Concours V8, 6.6L
• 1970-1972 Chevrolet Chevelle Concours V8, 7.4L
• 1968-1969 Chevrolet Chevelle Concours V8, 6.5L
• 1967 Chevrolet Chevelle Concours V8, 6.5L
• 1970-1972 Chevrolet Chevelle Concours Estate V8, 6.6L
• 1970-1972 Chevrolet Chevelle Concours Estate V8, 7.4L
• 1969 Chevrolet Chevelle Concours Estate V8, 6.5L
• 1967 Chevrolet Chevelle Deluxe V8, 6.5L
• 1970-1972 Chevrolet Chevelle Greenbrier V8, 6.6L
• 1970-1972 Chevrolet Chevelle Greenbrier V8, 7.4L
• 1969 Chevrolet Chevelle Greenbrier V8, 6.5L
• 1968-1969 Chevrolet Chevelle Malibu V8, 6.5L
• 1970 Chevrolet Chevelle Malibu V8, 6.5L
• 1970-1972 Chevrolet Chevelle Malibu V8, 6.6L
• 1970-1972 Chevrolet Chevelle Malibu V8, 7.4L
• 1970-1972 Chevrolet Chevelle Malibu V8, 7.4L
• 1970-1972 Chevrolet Chevelle Nomad V8, 7.4L
• 1971-1972 Chevrolet Chevelle Nomad V8, 7.4L
• 1968-1969 Chevrolet Chevelle Nomad V8, 6.5L
• 1970-1972 Chevrolet Chevelle Nomad V8, 6.6L
• 1965-1969 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
• 1968 Chevrolet Chevy II Nova V8, 6.5L
• 1970-1972 Chevrolet El Camino Base V8, 7.4L
• 1966-1969 Chevrolet El Camino Base V8, 6.5L
• 1970 Chevrolet El Camino Base V8, 6.5L
• 1970-1972 Chevrolet El Camino Base V8, 6.6L
• 1970 Chevrolet El Camino Base V8, 7.4L
• 1970-1972 Chevrolet El Camino Custom V8, 6.6L
• 1970-1972 Chevrolet El Camino Custom V8, 7.4L
• 1970-1972 Chevrolet El Camino Custom V8, 7.4L
• 1968-1969 Chevrolet El Camino Custom V8, 6.5L
• 1970-1972 Chevrolet Monte Carlo Base V8, 6.6L
• 1970-1974 Chevrolet Monte Carlo Base V8, 7.4L
• 1970-1974 Chevrolet Monte Carlo Base V8, 7.4L
• 1973-1974 Chevrolet Monte Carlo Landau V8, 7.4L
• 1973-1974 Chevrolet Monte Carlo Landau V8, 7.4L
• 1973 Chevrolet Monte Carlo S V8, 7.4L
• 1973 Chevrolet Monte Carlo S V8, 7.4L
• 1969 Chevrolet Nova Base V8, 6.5L
• 1970 Chevrolet Nova Base V8, 6.5L
• 1970-1972 Chevrolet Nova Base V8, 6.6L
• 1970-1971 Chevrolet Nova Base V8, 7.4L
• 1971-1972 GMC Sprint Base V8, 6.6L
• 1971 GMC Sprint Base V8, 7.4L
• 1971-1972 GMC Sprint Base V8, 7.4L
• 1972 GMC Sprint Custom V8, 6.6L
• 1972 GMC Sprint Custom V8, 7.4L
• 1972 GMC Sprint Custom V8, 7.4L

Note: 1967 to 1974 Camaro, 1965 to 1972 Chevelle and El Camino, 1968 to 1974 Chevy II and Nova, 1970 to 1974 Monte Carlo with a 396 to 502 cubic inch displacement big block V8 engine, long tube header