520-SM350KXL Small Block GM Long H/P Riser Kit
This system was designed for mildly
modified small block engines. It shares the same
features as the 520-SM350K listed above, except that
it's tailpipe discharges water later in the
exhaust stream which provides some flexibility for
mild camshaft changes. Consult us for camshaft compatibility.
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520-SM350KR Small Block GM Hi-Torque Dry System
This system was designed for highly
modified small block engines with large camshafts
and/or high compression This system delivers maximum performance and reliability Keep in
mind, all dry systems are very loud
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520-SM350KS Small Block GM System with Switchable Diverter (Captain's Call, Silent Choice, etc.) Compatible Riser
This system shares the same great features as the
520-SM350K except that this system allows the use of
a captain's call type system to be used. The risers are
built especially for this application. Like the standard kit,
this system comes complete. Not recommended for
large camshaft engines.
All kits include: Shift, Module, and an Oil Filter Bracket
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This Part has options, please click the button below to order.
MULTIPLE PART NUMBER OPTIONS. CLICK PART OPTIONS FOR MORE INFO -> Small Block Chevy E-Top Headers - Satin
Works as stock Mercury replacement or for most Stern Drives and Jet
boats. 4" Hose connection. Made from 316L Stainless Steel. Bolts
directly in the existing location of your stock manifolds. This is a single engine set and will directly replace both manifolds.
ALL CMI HEADERS ARE MADE TO ORDER AND SHIP FROM THE FACTORY IN 3-4 WEEKS
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This Part has options, please click the button below to order.
MULTIPLE PART NUMBER OPTIONS. CLICK PART OPTIONS FOR MORE INFO -> Small Block Chevy E-Top Headers - Polished
Works as stock Mercury replacement or for most Stern Drives and Jet
boats. 4" Hose connection. Made from 316L Stainless Steel. Bolts
directly in the existing location of your stock manifold.
ALL CMI HEADERS ARE MADE TO ORDER AND SHIP FROM THE FACTORY IN 3-4 WEEKS
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650-13660 CMI Small Block Chevy Sport Tube Exhaust System, Polished
CMI Sport Tubes are a superior long tube header designed for both racing or virtually any high-performance application. For big- and small-block applications where maximum scavenging and horsepower are required, CMI Sport Tube headers deliver peak performance and power from naturally aspirated engines that generate more than one horsepower per cubic inch of displacement.
The all polished Sport Tube system is offered with a range of exhaust tailpipe options, as well as CMI's Sound Choice™ selectable silencing system. Each system includes all header attaching bolts, gaskets and cooling fittings required for installation.
Note: All CMI Systems are sold without Tailpipes
ALL CMI HEADERS ARE MADE TO ORDER AND SHIP FROM THE FACTORY IN 3-4 WEEKS
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421-TPS82KPS Thumper Power - Polished Small Block Exhaust System w/Shift Bracket
Here's an easy lightweight replacement for that
heavy cast iron stock system. This entry level
performance system is designed for stock engine application seeking
a slight performance increase as well as weight
reduction. Not silent choice compatible.
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421-TPS82KBS Thumper Power - Black Small Block Exhaust System w/Shift Bracket
Here's an easy lightweight replacement for that
heavy cast iron stock system. This entry level
performance system is designed for stock engine application seeking
a slight performance increase as well as weight
reduction. Not silent choice compatible.
This kit includes the shift bracket.
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This Part has options, please click the button below to order.
700-58237 Stock Mercruiser Replacement Small Block Chevy 5.0/5.7L 305/350 Cast Iron Dry Joint Manifold / 14 Degree Riser Kit. This is a dry-joint style replacement system.
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This Part has options, please click the button below to order.
700-58238 Stock Mercruiser Replacement Small Block Chevy 5.0/5.7L 305/350 Cast Iron Dry Joint Manifold / 7 Degree Riser Kit. This is a dry-joint style replacement system.
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This Part has options, please click the button below to order.
700-58232
Qty |
Description |
OEM # |
2 |
Exhaust Elbow |
807988A2 |
2 |
Exhaust Manifold Assy. |
860246A10 |
2 |
Gasket-Fresh Water |
27-860231 |
2 |
Gasket-Raw Water |
27-863724 |
2 |
Gasket |
27-33395 |
8 |
Screw-Steel-Zinc Plated |
10-43749 |
1 |
Hose Fitting w/ Drain Plug Kit |
22-806926A1 |
- Direct Replacement for Mercruiser 1987-2002 Small Block Chevy 305/5.0L and 350/5.7L Manifolds and Risers
- Constructed from Heavy Duty Cast Iron
- Individual Runners for Improved Performance over Stock Manifolds
- 4 inch, Standard Risers with 7 degree down angle. accepts 4" hose or bellows
- Kit Includes all gaskets and bolts needed for installation
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This Part has options, please click the button below to order.
700-58231 Stock Mercruiser Replacement Small Block Chevy 305/350 5.0/5.7L Cast Iron Exhaust Kit (3" Hose Connection)
GM V8 Small Block without Spacer, 3in Elbow Kit
Qty |
Description |
OEM # |
2 |
Exhaust Elbow |
98504A3 |
2 |
Exhaust Manifold |
860246A10 |
2 |
Gasket-Manifold |
27-33395 |
2 |
Gasket-Elbow |
27-863724 |
8 |
Stud (Steel) |
16-49545 |
8 |
Flanged Serrated Nut |
11-46335 |
2 |
Drain Plug Kit |
22-806926A1 |
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700-58660 Stock Mercruiser Replacement Small Block Chevy 5.0/5.7L 305/350 Cast Iron Dry Joint Alternative Manifold / Riser Kit. This kit will replace a dry-joint style factory Mercruiser Exhaust to a more cost effective original style Wet-Joint exhaust. NOTE: This is a single manifold/riser package. 2 Kits would be needed for one engine.
Kit Includes: |
Qty |
Description |
OEM # |
1 |
Exhaust Elbow |
N/A |
1 |
Exhaust Manifold Assy. |
860246A10 |
1 |
Gasket-Elbow |
27-863724 |
2 |
Gasket-Manifold |
27-33395 |
4 |
Screw-Hex Flanged |
10-865982057 |
4 |
Lockwasher |
13-35048 |
2 |
Hose Fitting w/ Drain Plug |
22-806926A1 |
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This Part has options, please click the button below to order.
700-58663
- One Manifold and One Riser.
- Constructed from Heavy Duty Cast Iron
- Individual Runners for Improved Performance over Stock Manifolds
- 4 inch, Standard Risers
- Includes Bolts and Gaskets
- 3 inch spacer
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This Part has options, please click the button below to order.
700-58234 Mercruiser V8 Small Block Chevy (SBC), 305/350, 5.0/5.7L Complete Exhaust System w/ 3” Spacer, 4" Riser
Includes gaskets for both freshwater and raw water cooling. Replaces factory Mercruiser OEM Part Numbers:
Qty |
Description |
OEM # |
2 |
Exhaust Elbow |
807988A2 |
2 |
Exhaust Manifold Assy. |
860246A10 |
2 |
Spacer 3" |
807476A3 |
2 |
Gasket-Fresh Water |
27-860231 |
2 |
Gasket-Raw Water |
27-863724 |
2 |
Gasket |
27-863726 |
2 |
Gasket |
27-33395 |
8 |
Flange Serrated Nut |
11-49838 |
8 |
Stud (3/8" x 9-1/2") |
16-11375 |
1 |
Hose Fitting w/ Drain Plug |
22-806926A1 |
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700-58236 Mercruiser V8 Small Block Chevy (SBC), 305/350, 5.0/5.7L Complete Exhaust System w/ 6” Spacer, 4" Riser
Includes gaskets for both freshwater and raw water cooling. Replaces factory Mercruiser OEM Part Numbers:
Qty |
Description |
OEM # |
2 |
Exhaust Elbow |
807988A2 |
2 |
Exhaust Manifold Assy. |
860246A10 |
2 |
Spacer 6" |
807477A2 |
2 |
Gasket-Fresh Water |
27-860231 |
2 |
Gasket-Raw Water |
27-863724 |
2 |
Gasket |
27-863726 |
2 |
Gasket |
27-33395 |
8 |
Screw |
10-12244 |
8 |
Screw |
10-43749 |
1 |
Hose Fitting w/ Drain Plug |
22-806926A1 |
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This Part has options, please click the button below to order.
700-58233 Mercruiser V8 Small Block Chevy (SBC), 305/350, 5.0/5.7L Complete Exhaust System w/ 3” Spacer, 3" Hose Riser
Includes gaskets for both freshwater and raw water cooling. Replaces factory Mercruiser OEM Part Numbers:
Qty |
Description |
OEM # |
2 |
Exhaust Elbow |
98504A3 |
2 |
Exhaust Manifold Assy. |
860246A10 |
2 |
Spacer 3" |
807476A3 |
2 |
Gasket-Fresh Water |
27-860231 |
2 |
Gasket-Raw Water |
27-863724 |
2 |
Gasket |
27-863726 |
2 |
Gasket |
27-33395 |
8 |
Flange Serrated Nut |
11-49838 |
8 |
Stud |
16-97520 |
2 |
Hose Fitting w/ Drain Plug |
22-806926A1 |
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This Part has options, please click the button below to order.
700-58235 Mercruiser V8 Small Block Chevy (SBC), 305/350, 5.0/5.7L Complete Exhaust System w/ 6” Spacer, 3" Hose Riser
Includes gaskets for both freshwater and raw water cooling. Replaces factory Mercruiser OEM Part Numbers:
Qty |
Description |
OEM # |
2 |
Exhaust Elbow |
98504A3 |
2 |
Exhaust Manifold Assy. |
860246A10 |
2 |
Spacer 6" |
807477A2 |
2 |
Gasket-Elbow |
27-863724 |
2 |
Gasket-Elbow |
27-863726 |
2 |
Gasket-Manifold |
27-33395 |
16 |
Screw |
10-12244 |
2 |
Hose Fitting w/ Drain Plug |
22-806926A1 |
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700-58437 OMC / Volvo Complete Exhaust Manifold Kit - GM V8 305/350 CID (1990 & Up)
Qty |
Description |
OEM # |
2 |
Exhaust Elbow |
3862627 |
2 |
Exhaust Manifold |
3857723 |
2 |
Gasket-Elbow |
3852468 |
2 |
Gasket-Manifold |
3850496 |
8 |
Screw |
3852830 |
8 |
Lockwasher |
3852002 |
8 |
Washer |
3852058 |
omc
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700-58990 Mercruiser SBC 1978-1982 Log to Center Rise Conversion Exhaust Kit
Qty |
Description |
2 |
Center Rise Manifold |
2 |
Exhaust Elbow |
1 |
Thermostat Housing Kit |
1 |
Alternator Bracket |
All hardware, hoses and gaskets included to complete the conversion right! See Installation Instructions for complete parts list. |
This kit converts 1978-1982 305/5.0L & 350/5.7L CID, Log Style Manifolds to the 1983-2002 style Center Rise Manifolds. The conversion kit uses two elbows to bring exhaust down to the original Y-Pipe. The 1982 and older Y-Pipe is 4" in diameter and round at the inlet, newer designs are oval at the inlet. Not for use on engines w/ high mounted power steering pumps. Replaces Mercury 77234A7 and 77235A8 manifolds and 76351A2 risers.
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