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IMCO Marine Exhaust Systems - Accessories

Thumper Power Big Block Bolt Kit
Your Price:
$81.99

Thumper Power Big Block Bolt Kit

421-02-8093

Thumper Power Big Block Bolt KitBig Block kit, kit is for one manifold only.

Kit Includes
QTY Description P/N
4 3/8-16 x 1 1/4" Bolt 08-010806092
4 3/8-16 x 3 1/2" Bolt 08-010806182
4 3/8-16 x 2 1/2" Stud 08-030806141
4 3/8-16 Nut 08-200806001
12 3/8" AN S/S Washer 08-100800001
1 3/4 NPT to 1" Hose 90° 09-2016
2 3/4 NPT Pipe Plug Brass 09-2017
1 Riser Gasket 11-1007
2 Compression Seal 11-4003

Riser Kit
1 3/4 NPT Pipe Plug Brass 09-2017
1 3/4 NPT to 1" Hose Straight 09-2015

Thumper Power Small Block Bolt Kit
Your Price:
$84.99

Thumper Power Small Block Bolt Kit

421-02-8089

Thumper Power Small Block Bolt Kit

Small Block kit, kit is for one manifold only.


Kit Includes
QTY Description P/N
6 3/8-16 x 5" Bolt 08-010806242
4 3/8-16 x 2 1/2" Bolt 08-010806142
4 3/8-16 Nut 08-200806001
10 3/8" AN S/S Washer 08-100800001
1 3/4 NPT to 1" Hose 90° 09-2016
2 3/4 NPT Pipe Plug Brass 09-2017
1 Riser Gasket 11-1007
2 Compression Seal 11-4003

Riser Kit
1 3/4 NPT Pipe Plug Brass 09-2017
1 3/4 NPT to 1" Hose Straight 09-2015

PowerFlow Plus Manifold Bolt Kit
Your Price:
$73.99

PowerFlow Plus Manifold Bolt Kit

421-02-8085

PowerFlow Manifold Bolt Kit

PowerFlow Manifold Bolt Kit (For 1 manifold only)

Kit Includes

4 3/8-16 x 4 1/2" Bolt.....................08-010806222
4 3/8-16 x 1 1/2" Bolt.....................08-010806102
4 3/8" x 2" Stud............................08-130803121
8 3/8" AN S/S Washer...................08-100800001
4 3/8-24 12 Point Nut.....................08-180803001
1 Riser Gasket.............................11-1005


PowerFlow Plus Riser Pipe Bolt Kit
Your Price:
$52.99

PowerFlow Plus Riser Pipe Bolt Kit

421-02-8087

PowerFlow Plus Riser Bolt Kit

PowerFlow Plus Riser Bolt Kit (Includes enough parts for a pair of risers)

Kit Includes

8 3/8-16 x 2" Stud...................08-130806121
8 3/8-16 Nut............................08-200806001
8 3/8 AN S/S Washer..............08-100800001
2 Tail Pipe Gasket...................11-1006


PowerFlow Plus Riser Gaskets (Pair)
Your Price:
$10.99

PowerFlow Plus Riser Gasket

421-11-1005

PowerFlow Plus riser Gasket, Manifold to riser gasket. (Sold EACH)

 


Small Block Powerflow Manifold Gaskets (Pair)
Your Price:
$10.99

Small Block Powerflow Manifold Gaskets (Each)

421-11-1009

Small Block Manifold Gaskets. Exhaust Manifold to head. gaskets for small blocks PowerFlow. (Sold in each)

4" Preformed Rubber Hose Exhaust Bellow (Each)
Your Price:
$42.99

4" Preformed Rubber Hose Exhaust Bellow (Each)

421-02-2241

4" Preformed Rubber Hose (Sold Each). 6” Long. Grooves fit standard band clamps.

Weld on Bracket
Your Price:
$39.99

Weld on Bracket

421-02-6188

Weld on Shift, ECM, or EFI module brackets

Weld on Shift, ECM, or EFI module brackets

(Should be ordered with riser pipes) Brackets are welded directly to PowerFlow stainless steel risers as pictured for a clean look. Shift bracket or ECM unit mounts directly to bracket. (PLEASE MAKE NOTE OF EIGHTER SHIFT BRACKET OR ECM BRACKET OR BOTH (2)  BRACKETS  AS NEEDED)

Picture shown with bracket welded on a Big Block "A" Riser


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