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Prop Nuts & Hardware - Johnson Evinrude

460 Ford Cast Aluminum Exhaust System - Manifolds Only
Your Price:
$2,499.99

This Part has options, please click the button below to order.

460 Ford Cast Aluminum Exhaust System - Manifolds Only

620-36001

460 Ford Cast Aluminum Performance Exhaust System - Manifolds Only, (Includes Bolts & Gaskets)

The long awaited and much anticipated new Performance Ford center rise exhaust systems are now available from Hardin Marine. Hardin adapted the same technology used to develop the powerful manifold systems found on Mercury Racing’s HP500 and 540 Bulldog engine packages and integrated that individual separated runner design into this new Big Block Ford exhaust system. Hardin knew while perfect for direct replacement these also compliment today’s larger custom Ford 500 CID plus engines. These engines require an exhaust system that not only scavenges, but can also expel the massive amounts of exhaust created by these larger engines while reducing exhaust back pressure to near non-existent levels. These manifolds are cast from pure T356 aluminum and then heat treated to a T6 condition. The final steps include hard anodizing for corrosion resistance and a gloss powder coated for a stunning appearance. Individual exhaust ports are cooled by a balanced and even water flow thru the manifold. Exhaust tailpipes are available in a standard exit or custom applications and are constructed from quality 316L stainless steel.

  • 35" Overall Width on stock heads.
  • 29-1/2" Exhaust Center to Center on stock heads.
  • 8" Tall from Exhaust center-line to top of manifold on stock heads.
  • 12-3/4" Tall from Exhaust center-line to top of riser on stock heads.
Superseded From: 620-36003

460 Ford Cast Aluminum Exhaust System with Low Port Tailpipes
Your Price:
$3,899.99

This Part has options, please click the button below to order.

460 Ford Cast Aluminum Exhaust System with Low Port Tailpipes

620-36005

460 Ford Cast Aluminum Performance Exhaust System with Below Swim Platform Low Port Tailpipes

The long awaited and much anticipated new Performance Ford center rise exhaust systems are now available from Hardin Marine. Hardin adapted the same technology used to develop the powerful manifold systems found on Mercury Racing’s HP500 and 540 Bulldog engine packages and integrated that individual separated runner design into this new Big Block Ford exhaust system. Hardin knew while perfect for direct replacement these also compliment today’s larger custom Ford 500 CID plus engines. These engines require an exhaust system that not only scavenges, but can also expel the massive amounts of exhaust created by these larger engines while reducing exhaust back pressure to near non-existent levels. These manifolds are cast from pure T356 aluminum and then heat treated to a T6 condition. The final steps include hard anodizing for corrosion resistance and a gloss powder coated for a stunning appearance. Individual exhaust ports are cooled by a balanced and even water flow thru the manifold. Exhaust tailpipes are available in a standard exit or custom applications and are constructed from quality 316L stainless steel.

  • 35" Overall Width on stock heads.
  • 29-1/2" Exhaust Center to Center on stock heads.
  • 8" Tall from Exhaust center-line to top of manifold on stock heads.
  • 12-3/4" Tall from Exhaust center-line to top of riser on stock heads.

460 Ford Cast Aluminum Exhaust System with Standard Wet Offshore Tailpipes
Your Price:
$3,799.99

This Part has options, please click the button below to order.

460 Ford Cast Aluminum Exhaust System with Magnum Choice Wet Offshore Tailpipes

620-36011

460 Ford Cast Aluminum Performance Exhaust System with Magnum Choice Short Wet Offshore Tailpipes

The long awaited and much anticipated new Performance Ford center rise exhaust systems are now available from Hardin Marine. Hardin adapted the same technology used to develop the powerful manifold systems found on Mercury Racing’s HP500 and 540 Bulldog engine packages and integrated that individual separated runner design into this new Big Block Ford exhaust system. Hardin knew while perfect for direct replacement these also compliment today’s larger custom Ford 500 CID plus engines. These engines require an exhaust system that not only scavenges, but can also expel the massive amounts of exhaust created by these larger engines while reducing exhaust back pressure to near non-existent levels. These manifolds are cast from pure T356 aluminum and then heat treated to a T6 condition. The final steps include hard anodizing for corrosion resistance and a gloss powder coated for a stunning appearance. Individual exhaust ports are cooled by a balanced and even water flow thru the manifold. Exhaust tailpipes are available in a standard exit or custom applications and are constructed from quality 316L stainless steel.

  • 35" Overall Width on stock heads.
  • 29-1/2" Exhaust Center to Center on stock heads.
  • 8" Tall from Exhaust center-line to top of manifold on stock heads.
  • 12-3/4" Tall from Exhaust center-line to top of riser on stock heads.

460 Ford Cast Aluminum Exhaust System with Standard Wet Offshore Tailpipes
Your Price:
$3,999.99

This Part has options, please click the button below to order.

460 Ford Cast Aluminum Exhaust System with Standard Wet Offshore Tailpipes

620-36000

460 Ford Cast Aluminum Performance Exhaust System with Standard Wet Offshore Tailpipes

The long awaited and much anticipated new Performance Ford center rise exhaust systems are now available from Hardin Marine. Hardin adapted the same technology used to develop the powerful manifold systems found on Mercury Racing’s HP500 and 540 Bulldog engine packages and integrated that individual separated runner design into this new Big Block Ford exhaust system. Hardin knew while perfect for direct replacement these also compliment today’s larger custom Ford 500 CID plus engines. These engines require an exhaust system that not only scavenges, but can also expel the massive amounts of exhaust created by these larger engines while reducing exhaust back pressure to near non-existent levels. These manifolds are cast from pure T356 aluminum and then heat treated to a T6 condition. The final steps include hard anodizing for corrosion resistance and a gloss powder coated for a stunning appearance. Individual exhaust ports are cooled by a balanced and even water flow thru the manifold. Exhaust tailpipes are available in a standard exit or custom applications and are constructed from quality 316L stainless steel.

  • 35" Overall Width on stock heads.
  • 29-1/2" Exhaust Center to Center on stock heads.
  • 8" Tall from Exhaust center-line to top of manifold on stock heads.
  • 12-3/4" Tall from Exhaust center-line to top of riser on stock heads.

OMC 460 Ford Replacement Cast Aluminum Exhaust System
Starting From:
$4,599.99
This Part has options, please click the button below to order.

OMC 460 Ford Replacement Cast Aluminum Exhaust System

620-3601 + Option(s)

OMC 460 Ford Replacement Cast Aluminum Exhaust System - 4" or 3.5"

These New Premium Direct bolt 460 Ford manifolds are the ultimate solution for the person looking for a direct bolt on style manifold system for early OMC style applications. Direct bolt on means no leaking adapters or odd hardware to fuss with. Hardin Marine has produced Performance Ford center rise exhaust systems for decades and now is adapting the performance style manifolds and riser to replace OEM OMC Systems . Two systems are offered with one using the 3.5" Y-Pipe hose connection the other a 4" Y-pipe connection.

Hardin adapted the same technology used to develop the powerful manifold systems found on Mercury Racing’s engines to the Ford 460. Individual separated runner port designs provide for improved exhaust efficiency while reducing exhaust back pressure.These manifolds are cast from pure T356 aluminum and then heat treated Included features such as hard anodizing for corrosion resistance and a gloss powder coated for a stunning appearance. Manifolds feature individual port water inlets for balanced even water flow thru the manifold. These exhaust systems require some customer supplied exhaust measurements. Allow 5-6 week lead times to build tailpipesl. (Not for use on Cobrajet heads)

  • 35" Overall Width on stock heads.
  • 29-1/2" Exhaust Center to Center on stock heads.
  • 8" Tall from Exhaust center-line to top of manifold on stock heads.
  • 12-3/4" Tall from Exhaust center-line to top of riser on stock heads.

Prop Nut Kit
Your Price:
$9.99

Prop Nut Kit

676-18-3717

Interchanges/Replaces

GLM

  • 22340

Johnson/Evinrude Outboard

  • 175268

Mallory

  • 9-73951

List of Containing Parts

Sierra Item # OE/Competitor # Quantity Description Image Comments
18-3707GLM
  • 22170
Johnson/Evinrude Outboard
  • 319891
1Prop Nut N/A
18-3743GLM
  • 22130
Johnson/Evinrude Outboard
  • 320785
1Cotter Pin N/A
18-4232GLM
  • 22260
Johnson/Evinrude Outboard
  • 323943
1Prop Spacer N/A

Prop Nut Kit
Your Price:
$11.99

Prop Nut Kit

676-18-3716

Interchanges/Replaces

GLM

  • 22350

Johnson/Evinrude Outboard

  • 175267

Mallory

  • 9-73952

OMC Stern Drive

  • 175267

List of Containing Parts

Sierra Item # OE/Competitor # Quantity Description Image Comments
18-3705GLM
  • 22150
Johnson/Evinrude Outboard
  • 314503
Mallory
  • 9-73903
OMC Stern Drive
  • 314503
1Prop Nut N/A
18-3742GLM
  • 22120
Johnson/Evinrude Outboard
  • 314502
OMC Stern Drive
  • 314502
1Cotter Pin N/A
18-4228GLM
  • 22250
Johnson/Evinrude Outboard
  • 315810
OMC Stern Drive
  • 315810
1Prop Spacer N/A

Prop Nut Kit
Your Price:
$24.99

Prop Nut Kit

676-18-3715

Interchanges/Replaces

GLM

  • 22200

Johnson/Evinrude Outboard

  • 175266

Mallory

  • 9-73953

OMC Stern Drive

  • 175266

List of Containing Parts

Sierra Item # OE/Competitor # Quantity Description Image Comments
18-3708-1GLM
  • 22185
Johnson/Evinrude Outboard
  • 398042
  • 5008966
OMC Stern Drive
  • 3850984
  • 398042
Volvo Penta
  • 3850984
1Prop Nut & Keeper N/A
18-3741GLM
  • 22110
Johnson/Evinrude Outboard
  • 309955
OMC Stern Drive
  • 309955
1Cotter Pin N/A
18-4231GLM
  • 22190
Johnson/Evinrude Outboard
  • 320570
  • 332118
Mallory
  • 9-73905
OMC Stern Drive
  • 320570
  • 332118
1Prop Spacer N/A

Prop Spacer
Your Price:
$15.99

Prop Spacer

676-18-4231

Interchanges/Replaces

GLM

  • 22190

Johnson/Evinrude Outboard

  • 320570
  • 332118

Mallory

  • 9-73905

OMC Stern Drive

  • 320570
  • 332118

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