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$6,699.99 CMI 496 E-Top Polished Exhaust System, 2" Taller
650-13177
CMI 496 E-Top Tall Polished Exhaust Header System, 2" Taller
How to measure riser height
Direct Mercruiser replacement for your 496 Mag or 496 HO engine. 10-1/2" Stock Tall Riser Height. Polished. No additional custom tails to buy. You don’t need to remove your stock exhaust hose to install our kit, a true plug and play system.
How to measure riser height
Direct Mercruiser replacement for your 496 Mag or 496 HO engine. 10-1/2" Stock Tall Riser Height. Polished. No additional custom tails to buy. You don’t need to remove your stock exhaust hose to install our kit, a true plug and play system.
Direct Mercruiser replacement for your 496 Mag or 496 HO engine.
No additional custom tails to buy. You don’t need to remove your stock exhaust hose to install this kit, a true plug and play system.
- 1 7/8" id primary to get peak horse power and torque.
- Mandrel bent and formed from High quality 316L grade material.
- Fully post annealed to reduce stresses built up in the header during the manufacturing process
- Seamless water jacketed header. No welded inner primaries or water jacketed tubes to crack and leak.
- More water jacketed protection than your stock exhaust.
- Approved by Mercruiser to not void warranty on the motor, with the exception of water reversion.
- Same high quality semi automated welding as used on all racing applications
- Cool collar patented flange design to eliminate the risk of getting water in the motor by the head flange
- This kit is price competitive to other aluminum/stainless manifold systems with superior performance and extended life span in harsh marine environments.
- No cast parts to crack, all CMI collectors are forged from American made stainless steel.
- Works on 34.5" drive centers
- Brings a race look to your stock engine.
- Sophisticated engineering leaves your stock oil lines in place and only requires relocating your oil filter with a supplied bracket.
- Step by step, do it yourself instructions using Mercury supplied engine schematics.
- Exhaust Water Temperature Bungs Installed as Standard Equipment.
Your Price:
$2.55 Water Pump Gasket 27-49110
700-31770
Water Pump Gasket (5 per pack) replaces MerCruiser part # 27-49110
For 700-15301, 454/502 Chevy
NGKBPR7HS-10@10 Mercruiser 33-17719547
525-33-17719547
NGKBPR7HS-10 (Priced Each. Must be sold in quantities of 10) Mercruiser 33-17719547.
Your Price:
$44.22 Johnson/Evinrude Rectifier
462-667-1531778
See CDI catalog for complete application information.
Replaces: 173692, 18-5709, 581778
Sold: Each
Your Price:
$412.99 Overhaul Gasket Set
676-18-4387
Additional Details:
- For: GM 454 (7.4L) CID Eng
- Production Models: oval port
Interchanges/Replaces
GLM
- 39020
Mallory
- 9-61102
Mercruiser Stern Drive
- 27-801853
List of Containing Parts
| Sierra Item # | OE/Competitor # | Quantity | Description | Image | Comments |
|---|---|---|---|---|---|
| 18-3877 | Chris-Craft
| 2 | Head Gasket |  | |
| 18-0464 | GLM
| 2 | Valve Cover Gasket |  | |
| 18-2917 | GLM
| 1 | Thermostat Gasket |  | N/A |
| 18-2844 | Barr
| 1 | Thermostat Gasket |  | N/A |
| 18-0348 | GLM
| 1 | Oil Pan Gasket Set |  | N/A |
| 18-0980 | GLM
| 1 | Timing Cover Gasket |  | N/A |
| 18-0903 | GLM
| 2 | Water Pump Gasket |  | |
| 18-0885-1 | Barr
| 4 | Exhaust Elbow Gasket |  | |
| 18-2832-1 | Barr
| 4 | Manifold End Cap Gasket |  | |
| 18-0418 | Barr
| 2 | Exhaust Manifold Mounting Gasket |  | |
| 18-4022 | Mallory
| 16 | Valve Stem Seal |  | |
| 18-2848 | GLM
| 2 | Carburetor Base Gasket |  | |
| 18-0897 | Barr
| 2 | Exhaust Elbow Gasket |  | |
| 18-2849-1 | Barr
| 4 | Exhaust Elbow Gasket |  | |
| 18-2554 | GLM
| 2 | Thermostat Cover Gasket |  |
Your Price:
$133.99 Powerhead Gasket Set
676-18-4303-1
Interchanges/Replaces
GLM
- 39080
Johnson/Evinrude Outboard
- 389556
- 391300
- 439085
Mallory
- 9-64112
List of Containing Parts
| Sierra Item # | OE/Competitor # | Quantity | Description | Image | Comments |
|---|---|---|---|---|---|
| 18-0102 | GLM
| 1 | Exhaust Manifold Gasket |  | N/A |
| 18-0117 | GLM
| 1 | Exhaust Plate Gasket |  | N/A |
| 18-0134 | GLM
| 2 | Carburetor to Manifold Gasket |  | |
| 18-0850 | GLM
| 1 | Fuel Pump Gasket |  | N/A |
| 18-0953 | GLM
| 1 | Water Passage Gasket |  | N/A |
| 18-0977 | GLM
| 2 | Thermostat Gasket |  | N/A |
| 18-0985 | GLM
| 1 | Air Silencer Gasket |  | N/A |
| 18-0991 | GLM
| 4 | Leaf Plate Gasket |  | N/A |
| 18-2547 | GLM
| 1 | Water Passage Cover Gasket |  | N/A |
| 18-2857 | GLM
| 2 | Air Silencer Gasket |  | N/A |
| 18-2864 | GLM
| 1 | Powerhead Base Gasket |  | N/A |
| 18-2866 | GLM
| 2 | Exhaust Cover Gasket |  | N/A |
| 18-2867 | GLM
| 1 | Manifold to Crankcase Gasket |  | N/A |
| 18-2873 | GLM
| 2 | Water Jacket Gasket |  | N/A |
| 18-2876 | GLM
| 4 | Bypass Cover Gasket |  | N/A |
| 18-2956 | GLM
| 2 | Head Gasket |  | N/A |
| 18-7133 | GLM
| 4 | O-Ring |  | |
| 18-2001 | GLM
| 1 | Oil Seal |  | N/A |
| 18-2074 | GLM
| 1 | Oil Seal |  | N/A |
| 18-8307 | GLM
| 1 | Lower Main Seal |  | N/A |
| 18-0999-9 | Johnson/Evinrude Outboard
| 1 | Inner Exhaust Gasket (Priced Per Pkg of 2) |  | N/A |
Your Price:
$52.99 Lower Unit Seal Kit
676-18-2660
Interchanges/Replaces
GLM
- 87601
Johnson/Evinrude Outboard
- 0396349
Mallory
- 9-74103
List of Containing Parts
| Sierra Item # | OE/Competitor # | Quantity | Description | Image | Comments |
|---|---|---|---|---|---|
| 18-2001 | GLM
| 2 | Oil Seal | | N/A |
| 18-2059 | GLM
| 1 | Oil Seal |  | N/A |
| 18-2064 | GLM
| 1 | Oil Seal |  | N/A |
| 18-2537 | GLM
| 1 | Exhaust Leg Seal |  | N/A |
| 18-2855 | GLM
| 1 | Shift Housing Gasket |  | N/A |
| 18-4248 | Johnson/Evinrude Outboard
| 2 | Drain/Fill Plug Washer |  | N/A |
| 18-7120 | Chrysler/Force/US Marine
| 1 | O-Ring |  | N/A |
| 18-7127 | Chrysler/Force/US Marine
| 1 | O-Ring |  | N/A |
| 18-7128 | GLM
| 1 | O-Ring |  | N/A |
| 18-7137 | GLM
| 1 | O-Ring |  | N/A |
| 18-7145 | GLM
| 2 | O-Ring |  | N/A |
| 18-7174 | Chrysler/Force/US Marine
| 1 | O-Ring |  | N/A |
| 18-7475 | GLM
| 4 | O-Ring |  | N/A |
| 18-7158 | GLM
| 1 | O-Ring |  | N/A |
| 18-7481 | GLM
| 1 | O-Ring |  | N/A |
Your Price:
$64.99 Lower Unit Seal Kit
676-18-2692
Additional Details:
- For: Johnson/Evinrude 85 V-4 1973-83, 90 V-4 1973-83, 100 V-4 1973-83, 110 V-4 1973-83, 115 V-4 1973-83
Interchanges/Replaces
GLM
- 86712
Mallory
- 9-74113
List of Containing Parts
| Sierra Item # | OE/Competitor # | Quantity | Description | Image | Comments |
|---|---|---|---|---|---|
| 18-0110 | GLM
| 1 | Shift Housing Gasket |  | N/A |
| 18-2001 | GLM
| 2 | Oil Seal | | N/A |
| 18-2026 | GLM
| 2 | Oil Seal |  | N/A |
| 18-2874 | GLM
| 1 | Solenoid Cover Gasket |  | N/A |
| 18-4248 | Johnson/Evinrude Outboard
| 2 | Drain/Fill Plug Washer | | N/A |
| 18-7109 | GLM
| 4 | O-Ring |  | N/A |
| 18-7120 | Chrysler/Force/US Marine
| 1 | O-Ring | | N/A |
| 18-7127 | Chrysler/Force/US Marine
| 1 | O-Ring | | N/A |
| 18-7130 | GLM
| 1 | O-Ring |  | N/A |
| 18-7137 | GLM
| 1 | O-Ring | | N/A |
Your Price:
$19.99 Lower Unit Seal Kit
676-18-2691
Additional Details:
- Fits: Johnson/Evinrude 85/100/125 (Large Prop Shaft) 1971-72
Interchanges/Replaces
GLM
- 87611
Mallory
- 9-74114
List of Containing Parts
| Sierra Item # | OE/Competitor # | Quantity | Description | Image | Comments |
|---|---|---|---|---|---|
| 18-2001 | GLM
| 2 | Oil Seal | | N/A |
| 18-2059 | GLM
| 2 | Oil Seal | | N/A |
| 18-2874 | GLM
| 1 | Solenoid Cover Gasket | | N/A |
| 18-4248 | Johnson/Evinrude Outboard
| 2 | Drain/Fill Plug Washer | | N/A |
| 18-7109 | GLM
| 4 | O-Ring | | N/A |
| 18-7127 | Chrysler/Force/US Marine
| 1 | O-Ring | | N/A |
| 18-7130 | GLM
| 1 | O-Ring | | N/A |