Cadillac Big Block 425-500 Exhaust Flange
Price range: $62.00 through $197.00
Includes one pair of exhaust flanges for the Big Block Cadillac 425, 472, 500 hot rod engine(see engine applications below). These flanges are cut with a fiber laser out of 3/8” Pickled and Oiled (P&O) steel. P&O material is hot rolled steel that has been dipped in acid to remove the mill scale then lightly coated with oil to prevent rusting. The end result is a ready-to-weld surface with little to no prep required.
Engine Application:
Big Block Cadillac
425 cu. in (1977-79)
472 cu in (1968-74)
500 cu in (1970-76)
*more applications/years may work, verify before purchasing.
Ports designed to be used with 2” exhaust tubing.
These flanges are designed in CAD and are test fit on an actual head to ensure proper fitment.
| Weight | 2.72155422 lbs |
|---|---|
| Dimensions | 4 × 20 × 4 in |
| Stubbed Flange | No – Flange Only, Yes – Stubbed Flange |
3 reviews for Cadillac Big Block 425-500 Exhaust Flange
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joe Campfield (verified owner) –
Flange looks great fit good.
Leroy Bloxsom (verified owner) –
This will be the second set of Zoomies that I have built wth your flanges. The first set came out great and after one full season on my Altered drag roadster they are still looking good. I just needed (wanted) a second set for a second (spare) motor. Thank you making this part available and of high quality.
dz –
these guys are the best. I’ve bought exhaust flanges from them for a big block chevy, 409 chevy, and now 500 caddy. they have all been perfect. andy is always a lot of help; I would definitely recommend them.