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1-19 of 26 Results
  1. Parts for Sale
    14” rise 28” length They are in great shape. Text me for pictures and more details. 7074780844. $800
  2. Parts for Sale
    Polished Imco Powerflow Exhaust. Come with Double Walled tailpipes and spacers. 1500$ Rewarder Big Tube Headers. 2.5" x 4.5" Came off a GN boat running the motor forward. Have EGT, Scavage and A/F provisions. Coated black. Always ran dry and in good condition. 750$ Brock Canyon...
  3. Parts for Sale
    Set of polished IMCO Manifolds and standard "A" risers for BBC. Includes new manifold bolts and studs. Has one 18MM bung that will need a plug if you don't use an O2 sensor. $1200 shipped. Call or text 7one3-724-9969
  4. Parts for Sale
    For Sale Brand new in box IMCO BBC Exhaust Manifold never used $1,600.00 new asking $1,200.00 Reply ad I will provide contact
  5. Parts for Sale
    This is the old style powerflow manifold with stainless risers setup for a vdrive with steep angle to transom. One manifold has an exterior water leak on the top of the manifold near the riser. 375
  6. Parts for Sale
    Imco Powerflow plus BBC - Excellent condition fresh water only. Full system with stainless bravo tails. 2350 - Sold pending payment
  7. Parts for Sale
    IMCO POWERFLOW Exhaust BBCHEVY $700 Sold
  8. Parts for Sale
    Selling these for a friend Pair of big block powerflow manifolds....they are black with polished risers Everything is there from manifolds to the through hull...even the pyrometer These came off of a supercharged 540 bb that was built by Paul pfaff Best reasonable offer....these are in canada
  9. Parts for Sale
    ITEM IS SOLD. Imco Powerflow Exhaust-- Stainless 4" water-jacketed over transom pipes in excellent condition will work with old style BBC IMCO exhaust manifolds or current/new style Small Block Chevy. Also have 2 older style BBC IMCO exhaust manifolds. The starboard one has a water leak and the...
  10. Parts for Sale
    Bbc imco powerflow headers $1200.00 please private message me
  11. Parts for Sale
    REDUCED! BBC Imco Powerflow manifolds are old style and starboard manifold has water leak. Port side manifold is good. Water jacketed, over transom pipes in excellent condition. Risers/pipes will work on old style BBC manifolds or current style SBC manifolds. $300 OBO
  12. Parts for Sale
    came out of my 26' cat boat with a blown 540. Put to big of a cam in my motor so im looking to upgrade the exhaust so i dont have reversion problems max cam duration on these is the 230/240 @0.050 (my opionion) eric 626-991-2129 i can text you pictures, they look like every other set black...
  13. Parts for Sale
    Guys, I have a super nice set of IMCO Powerflow exhaust manifolds all polished and 10" polished risers with 32" long stainless 5" exhaust tubes with blower gatlin mufflers( only system that makes all the HP you could want with no troubles).I had it on y 30 eliminator blown 540 Chevy.Comes with...
  14. Parts for Sale
    Imco Powerflow polished exhaust manifolds *SOLD* *SOLD* Thanks!
  15. Parts for Sale
    I have a set of very clean IMCO Powerflow Manifolds for a BBC with 34.5" Stainless fully jacketed risers and stainless fittings. The system also come with a set of Gibson Bullet clamp on mufflers. Has these set aside for a buddy and he has now gone another direction. ***SOLD***
  16. Parts for Sale
    I am in the market for a set.
  17. Parts for Sale
    Pair of polished Imco Powerflow manifolds and tails off a conquest deck boat, Fresh water only 168 hrs. make offer. [email protected]
  18. Boats for Sale
    For sale, set of Imco black powerflow exhaust manifolds with risors. $950.00 plus shipping Steve
  19. Parts for Sale
    looking for imco powerflow manifolds. anyone have any they want to sell?
1-19 of 26 Results