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1971 - 1974 Firebird Exhaust Manifold, Left Hand, Original GM Used 490143
1971 - 1974 Firebird Exhaust Manifold, Left Hand, Original GM Used 490143
 
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Our Price: $400.00


PART NUMBER: ENC-2468
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1971 - 1974 Firebird Exhaust Manifold, Left Hand, Original GM Used 490143

Rare original GM used exhaust manifold for your 71 - 74 Firebird or Trans Am. Correct D-port design, exact fit for all 350, 400, or 455 V8 engines, (except Round Port, HO, or Super Duty). This one is for the Left Hand, Drivers Side. Two bolt exhaust flange, center outlet. Six bolt hole locations where it mounts to your head. Correct outlet measures just under 2 inches in diameter. Factory GM part number # 490143. Just came from a 40 year old parts collection.

Works great for;
* All 71 - 74 ( Except Round Port Heads, HO, or Super Duty )

* Currently available as an original GM used part only. The one you will receive will look similar to the one pictured. Please note that over the years many cars have had an engine change or heads swapped. This manifold is designed to fit 1971 - 1974 Firebirds and Trans Ams with D port heads and 6 bolt mounting locations. Please double check your particular car as used original GM exhaust manifolds are non-refundable.

PART NUMBER: ENC-2468

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