Thumper Systems - Big Block Chevy

Thumper Power - Polished Big Block Exhaust System w/Shift Bracket

Are your cast iron manifolds failing? This could be the answer. A cost effective lightweight entry level performance system. This system was designed for efficiency and reliability on stock originally equipped engines. Not silent choice compatible.

Thumper Power Big Block Manifolds (Polished)

Thumper Power Big Block Manifolds (Polished) (Sold in pairs)

IMCO's affordable alternative to stock cast iron Chevy manifolds. Our all cast aluminum manifolds will increase Horsepower, RPM, and Torque by 5 to 7% over stock cast iron manifolds and risers at a fraction of the cost. We have designed Thumper Power for everyone whether you're a high performance or family recreation boater. Kits are available for Chevy big block, small block, and V-6 motors. Available in black powder coated, optional hard anodized for corrosion (prior to powder coat), and polished. (SOLD IN PAIRS)

Shift, EFI, or ECM brackets sold separately.

	Kit Includes
QTY	Description	P/N
2	TP-Big Block Manifolds (Polished)	02-1006
8	3/8-16 x 1 1/4" Bolts	08-010806092
8	3/8-16 x 3 1/2" Bolts	08-010806182
8	3/8-16 x 2 1/2" Studs	08-130806141
8	3/8-16 Nuts	08-200806001
24	3/8" AN S/S Washers	08-100800001
2	3/8 NPT to 1" Hose 90° Fittings	09-2016
4	3/4 NPT Pipe Plugs Brass	09-2017
2	Manifold Gaskets	11-1008
2	Riser Gaskets	11-1007
4	Compression Seals	11-4003

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Thumper Power - Black Big Block Exhaust System w/Shift Bracket

Are your cast iron manifolds failing? This could be the answer. A cost effective lightweight entry level performance system. This system was designed for efficiency and reliability on stock originally equipped engines. Not silent choice compatible.

Thumper Power Big Block Manifold & Riser Kit Black (Sold in pairs)
Not compatible with - SoundAdvantage - Silent Choice - Corsa Quick & Quiet.
Use PowerFlow Manifolds with SA Risers
To view and download the PDF line drawing Left Side  CLICK HERE

To view and download the PDF line drawing Right Side  CLICK HERE

To view and download the PDF water hose diagram  CLICK HERE

Thumper Power Big Block Manifold & Riser Kit Black (Sold in pairs)
IMCO's affordable alternative to stock cast iron Chevy manifolds and risers. Our all cast aluminum manifolds and risers will increase Horsepower, RPM, and Torque by 5 to 7% over stock cast iron manifolds and risers at a fraction of the cost. We have designed Thumper Power for everyone whether you're a high performance or family recreation boater. Available with optional hard anodize for corrosion protection (prior to powder coat). Weld on or Bolt on brackets for Shift, ECM or EFI, see Thumper Power Accessories or Related Products.

Shift and ECM-EFI brackets are available, go to "Thumper Power Accessories" or "Related Products" at the right side of you screen.

	Manifold Kit
QTY	Description	P/N
2	TP-Big Block Manifolds (Black)	02-1005
8	3/8-16 x 1 1/4" Bolts	08-010806092
8	3/8-16 x 3 1/2" Bolts	08-010806182
8	3/8-16 x 2 1/2" Studs	08-130806141
8	3/8-16 Nuts	08-200806001
24	3/8" AN S/S Washers	08-100800001
2	3/4 NPT to 1" Hose 90° Fittings	09-2016
6	3/4 NPT Pipe Plugs Brass	09-2017
2	Manifold Gaskets	11-1008
2	Riser Gaskets	11-1007
4	Compression Seals	11-4003
	Riser Kit
2	TP Risers (Black)	02-1007
2	3/4 NPT Pipe Plugs Brass	09-2017
2	3/4 NPT to 1" Hose Straight	09-2015

Thumper Power Big Block Manifolds (Black)

Thumper Power Big Block Manifolds (Black)(Sold in pairs)

IMCO's affordable alternative to stock cast iron Chevy manifolds. Our all cast aluminum manifolds will increase Horsepower, RPM, and Torque by 5 to 7% over stock cast iron manifolds and risers at a fraction of the cost. We have designed Thumper Power for everyone whether you're a high performance or family recreation boater. Kits are available for Chevy big block, small block, and V-6 motors. Available in black powder coated, optional hard anodized for corrosion (prior to powder coat), and polished. (SOLD IN PAIRS)

Shift, EFI, or ECM brackets sold separately.

	Kit Includes
QTY	Description	P/N
2	TP-Big Block Manifolds (Black)	02-1005
8	3/8-16 x 1 1/4" Bolts	08-010806092
8	3/8-16 x 3 1/2" Bolts	08-010806182
8	3/8-16 x 2 1/2" Studs	08-130806141
8	3/8-16 Nuts	08-200806001
24	3/8" AN S/S Washers	08-100800001
2	3/8 NPT to 1" Hose 90° Fittings	09-2016
6	3/4 NPT Pipe Plugs Brass	09-2017
2	Manifold Gaskets	11-1008
2	Riser Gaskets	11-1007
4	Compression Seals	11-4003