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New Products

Mayfair 2 Slot LED Trim Indicators

Starting From:
$1,599.99
This Part has options, please click the button below to order.

LED Trim Indicator Kit for Dual Mercury #6 Outdrives

137-8726 + Option(s)

  • LED Lighted Indicator System by Mayfair for Use with Dual Mercury #6 Outdrives.
  • Lights Run through Red, Green and Blue from Top to Bottom.
  • Available with Carbon Fiber faces in Black, Silver, Blue, Red and Purple
  • Polished and Powder-Coated Stainless Steel Rim.
  • Easy to Install and Simple Wiring. No Cables Required.
  • 5" Length x 2-1/2" Width Panel
  • Complete Kit - Includes Panel, Harness, and Electronic Sensor Actuators.


Mayfair 2 Slot LED Trim Indicators

Starting From:
$995.99
This Part has options, please click the button below to order.

LED Trim Indicator Kit for Single Mercury Bravo, Alpha or TRS Outdrive

137-8720 + Option(s)

  • LED Lighted Indicator System by Mayfair for Use with Single Mercury Bravo / TRS / Alpha Drive
  • Single Drive Setup Lights Up Both Sides Evenly for Single Drive Display.
  • Lights Run through Red, Green and Blue from Top to Bottom.
  • Available with Carbon Fiber faces in Black, Silver, Blue, Red and Purple
  • Polished and Powder-Coated Stainless Steel Rim.
  • Easy to Install and Simple Wiring. No Cables Required.
  • Includes: (2) Wiring Harnesses
  • 5" Length x 2-1/2" Width Panel
  • Complete Kit - Includes Panel, Harness, and Electronic Sensor Actuators.


Big Block Chevy Closed Cooling Kit Up To 650HP
Your Price:
$1,799.99

Big Block Chevy Engine Only Closed Cooling Kit Up To 650HP - Copper / Brass

625-4544

Big Block Chevy Half System Closed Cooling Kit Up To 650HP - Copper / Bras

  • Deck Height: 9.8"
  • 650 hp
  • Fits: 454 CID through 540 CID engines. Half Kit cools engine only.

While there are numerous universal OEM closed cooling kits, this is not one of those. This is a true custom engineered and developed closed cooling system designed around traditional Std. deck height 9.8" Big Block Chevrolet applications. The kit is perfect for the 454 CID through 540 CID engines making up to 650 horsepower.We offer the closed cooling tank version in a paint-to-finish version and an upgraded polished stainless steel/Cupronickel core version for the ultimate in appearance and durability.The kit comes with tank, brackets, hoses, and thermostat housing.This High Performance Closed Cooling kit is designed for applications with horsepower levels to 650HP.

These kits are designed to be used with the Hardin Marine serpentine drive kits


Big Block Chevy Closed Cooling Kit Up To 650HP
Your Price:
$1,899.99

Big Block Chevy Full Closed Cooling Kit Up To 650HP - Copper / Brass

625-4580

Big Block Chevy Full Closed Cooling Kit Up To 650HP - Copper / Brass

  • Deck Height: 9.8"
  • Length: 33"
  • 650 hp
  • Fits: 454 CID through 540 CID engines. The 625-4580 is a full system, cooling the engine and manifolds.

While there are numerous universal OEM closed cooling kits, this is not one of those. This is a true custom engineered and developed closed cooling system designed around traditional standard deck height 9.8" Big Block Chevrolet applications. The kit is perfect for the 454 CID through 540 CID engines making up to 650 horsepower. We offer the closed cooling tank version in a paint-to-finish version and an upgraded polished stainless steel / Copper core version for the ultimate in appearance and durability.  The kit comes with tank, brackets, hoses, and thermostat housing. This High Performance Closed Cooling kit is designed for applications with horsepower levels to 650HP.

These kits are designed to be used with the Hardin Marine serpentine drive kits


Billet Sterndrive Engine Mount

Your Price:
$54.99

Billet Sterndrive Engine Mount

620-52380 + Option(s)

Billet Sterndrive Engine Mount (2 per engine needed, Sold Each)

These billet engine mounts by Hardin Marine offer an affordable option when looking to upgrade from your original rubber OEM mount in mild performance applications These strong billet aluminum mount bases are matched with 316 SS mounting posts These mounts are designed as a direct replacement for most MerCruiser OEM engine mounts. Base Measures 5-1/4" in Length, 2-1/2" in Width and 1-1/4" Tall. Mounting holes are 4" center to center. Overall Height from base to top of stud is 4-1/2".


Custom Built Straight Cut Exhaust Tips

Starting From:
$109.99
This Part has options, please click the button below to order.

Custom Built Angle Cut Exhaust Tips

410-28 + Option(s)

Custom Built Angle Cut Exhaust Tips

If you are looking for something a little different and need a custom tip, then we have your answer! These popular angled end tips share the same great construction and gleaming finish as our standard tip but are custom made to various length styles and can accommodate reducers and angled flanges. These tips include flaps and will accept our popular slip-in silencers. Sold Each.

NOTICE: TWO OF THE CUSTOM CONFIGURATIONS ON HERE ARE NORMAL PRODUCTION ITEMS AVAILABLE AT LOWER COST AND SHOULD NOT BE ORDERED FROM THIS PAGE:

4" Standard Vertical Flange, No Reducer, Normal Length Exhaust Tip (1402)

IF YOU DO NOT SEE THE OPTIONS YOU NEED IN THE DROP DOWN MENUS BELOW CONTACT US AND PROVIDE A SKETCH OF WHAT YOU ARE LOOKING FOR AND WE WILL PROVIDE A QUOTE!

Custom Built Straight Cut Exhaust Tips

Starting From:
$99.99
This Part has options, please click the button below to order.

Custom Built Straight Cut Exhaust Tips

410-28 + Option(s)

Custom Built Straight Cut Exhaust Tips

If you are looking for something a little different and need a custom tip, then we have your answer! These popular straight end tips share the same great construction and gleaming finish as our standard tip but are custom made to various length styles and can accommodate reducers and angled flanges. These tips include flaps and will accept our popular slip-in silencers.These tips will also accept external Salisbury flappers. Sold Each.

NOTICE: TWO OF THE CUSTOM CONFIGURATIONS ON HERE ARE NORMAL PRODUCTION ITEMS AVAILABLE AT LOWER COST AND SHOULD NOT BE ORDERED FROM THIS PAGE:

4" Standard Vertical Flange, No Reducer, Normal Length Exhaust Tip (1400)
IF YOU DO NOT SEE THE OPTIONS YOU NEED IN THE DROP DOWN MENUS BELOW CONTACT US AND PROVIDE A SKETCH OF WHAT YOU ARE LOOKING FOR AND WE WILL PROVIDE A QUOTE!

LS Sea Pump Assembly
Your Price:
$849.99

GM LS Series Engine Sea Water Pump

625-4116

Hardin Marine is the first to bring a engine specific sea water pump for the popular LS series of engines. This unit was designed around the 5.3 ,6.0, and 6.2 liter generation engine platforms. The pump uses Hardin Marine's Extreme Lifetime Series stainless steel impeller housing as well as a proprietary short body construction that allows the necessary access or clearance for the engines factory engine mounting pads when the pump is installed. The pump is designed to mount to the engine blocks factory A/C mounting bosses while positioning the billet aluminum serpentine pulley in line with OEM crankshaft pulley. The billet mounting bracket provides the two necessary idlers that allow this pump to be incorporated into most factory automotive serpentine accessory drive systems. The Sea pump features female 1" NPT inlet and outlet ports for ease of plumbing convenience.

Note: Fits OEM GM LS Corvette / CTS-V / G8 automotive balancer spacing with 1-1/2" offset (NOT Truck or F-Body balancer)

Inducer Pre-Impeller Cavitation Reducer
Your Price:
$299.99

Inducer Pre-Impeller Cavitation Reducer

151-1025

Inducer Pre-Impeller (Shaft Sold Separately)
Fits all Popular Jet Drive Brands

The inducer pre-impeller is a stainless steel non-shrouded small axial flow impeller that mounts in front of a standard jet drive impeller. These pre-impellers load the standard jet drive mixed flow impeller for greater low end and mid range power without sacrificing top speed.

The inducer pre-impeller is available individually with easy to follow instructions or in kit form which includes a pre-cut impeller pump shaft along with the inducer. The inducer is a great add on for any power range or engine size application and fits all Berkeley, American Turbine, and Dominator jet drives.


Key, Cavitation Reducer - Stainless Steel
Your Price:
$8.99

Key, Cavitation Reducer - Stainless Steel

151-1026

Key, Cavitation Reducer - Stainless Steel

Replacement Key for 151-1025


LED Lighted Indicator System by Mayfair for Use with Mayfair Trim Tabs with Mayfair Electronic Sensors.

Starting From:
$599.99
This Part has options, please click the button below to order.

LED Lighted Indicator System by Mayfair for Use with Mayfair Trim Tabs with Mayfair Electronic Sensors.

137-8719 + Option(s)

  • LED Lighted Indicator System by Mayfair for Use with Mayfair Trim Tabs with Mayfair Electronic Sensors.
  • Lights Run through Red, Green and Blue from Top to Bottom.
  • Available with Carbon Fiber faces in Black, Silver, Blue, Red, Purple and White
  • Polished and Powder-Coated Stainless Steel Rim.
  • Easy to Install and Simple Wiring, No Cables Required!
  • Length 5" x Width 2-1/2" Panel
  • Complete Kit - Includes Panel and Harness


Mayfair 2 Slot LED Trim Indicators

Starting From:
$1,799.99
This Part has options, please click the button below to order.

LED Lighted Indicator System by Mayfair with Trim Sync Option for Use with Mayfair and Mercury Gen1 Trim Tabs with 1/2 dia. trim shafts.

137-8897 + Option(s)

  • LED Lighted Indicator System by Mayfair with Trim Sync Option for Use with Mayfair and Mercury Gen1 Trim Tabs with 1/2 dia. trim shafts.
  • Mayfair and Mercury Gen1 trim tabs have 1/2 outer diameter trim ram mounting shafts.
  • Lights Run through Red, Green and Blue from Top to Bottom.
  • Available with Carbon Fiber faces in Black, Silver, Blue, Red, Purple and White
  • Polished and Powder-Coated Stainless Steel Rim.
  • Easy to Install and Simple Wiring, No Cables Required!
  • Length 5"
  • Panel Width 2-1/2"
  • Complete Kit - Includes Panel, Harness, and Electronic Sensor Actuators.


LED Lighted Indicator System by Mayfair with Trim Sync option for Use with Mayfair Trim Tabs Mayfair Electronic Sensors.

Starting From:
$1,159.99
This Part has options, please click the button below to order.

LED Lighted Indicator System by Mayfair with Trim Sync option for Use with Mayfair Trim Tabs Mayfair Electronic Sensors.

137-8899 + Option(s)

  • LED Lighted Indicator System by Mayfair with Trim Sync option for Use with
    Mayfair Trim Tabs Mayfair Electronic Sensors.
  • Lights Run through Red, Green and Blue from Top to Bottom.
  • Available with Carbon Fiber faces in Black, Silver, Blue, Red, Purple and White
  • Polished and Powder-Coated Stainless Steel Rim.
  • Easy to Install and Simple Wiring, No Cables Required!
  • Length 5" x Width 2-1/2" Panel
  • Complete Kit - Includes Panel, Harness, and Trim Sync.


Mayfair 2 Slot LED Trim Indicators

Starting From:
$1,159.99
This Part has options, please click the button below to order.

LED Lighted Indicator System by Mayfair with Trim Sync option for Use with Mercury Trim Tabs with a 3 wire electric sender

137-8896 + Option(s)

  • LED Lighted Indicator System by Mayfair with Trim Sync option for Use with Mercury Trim Tabs with a 3 wire electric sender
  • Lights Run through Red, Green and Blue from Top to Bottom.
  • Available with Carbon Fiber faces in Black, Silver, Blue, Red, Purple and White
  • Polished and Powder-Coated Stainless Steel Rim.
  • Easy to Install and Simple Wiring, No Cables Required!
  • Length 5" x Width 2-1/2" Panel
  • Complete Kit - Includes Panel, Harness, and Electronic Sensor Actuators.


Dual Drives 2-Wire w/Merc - Mayfair Trim Tabs

Starting From:
$2,199.99
This Part has options, please click the button below to order.

LED Trim Indicator Kit by Mayfair with Drive Sync Option for all Dual Mercury Outdrives with 2 wire sender and with Mercury Gen2 Trim Tabs

137-8894 + Option(s)

  • LED Trim Indicator Kit by Mayfair with Drive Sync Option for all Dual Mercury Outdrives with 2 wire electric sender and with Mercury Gen2 Trim Tabs
  • Mercury Gen2 trim tabs have 5/8" outer diameter trim ram mounting shafts
  • Single Drive Setup Lights Up Both Sides Evenly for Single Drive Display.
  • Lights Run through Red, Green and Blue from Top to Bottom.
  • Polished and Powder-Coated Stainless Steel Rim.
  • Easy to Install and Simple Wiring. No Cables Required.
  • Length: 5" x Width: 5"
    • Includes:
    • (1) Drive Sync Control Box
      Click Here for More Info
    • (1) TrimTab LED Sender
    • (1) 4 slot Drive/Tab LED
    • (3) Wiring Harnesses
    • (1) Instructions

Dual Drives 3-Wire/Merc - Mayfair Trim Tabs

Starting From:
$2,199.99
This Part has options, please click the button below to order.

LED Trim Indicator Kit by Mayfair with Drive Sync Option for all Dual Mercury Outdrives with a 3 wire sender and with Mercury Gen2 Trim Tabs

137-8895 + Option(s)

  • LED Trim Indicator Kit by Mayfair with Drive Sync Option for all Dual Mercury Outdrives with a 3 wire electric sender and with Mercury Gen2 Trim Tab
  • Mercury Gen2 trim tabs have 5/8" outer diameter trim ram mounting shafts.
  • Lights Run through Red, Green and Blue from Top to Bottom.
  • Polished and Powder-Coated Stainless Steel Rim.
  • Easy to Install and Simple Wiring. No Cables Required.
  • Length: 5" x Width: 5"
    • Includes:
    • (1) Drive Sync Control Box
      Click Here for More Info
    • (1) Trim Tab LED Sender
    • (1) 4 slot Drive/Tab LED
    • (3) Wiring Harnesses
    • (1) Instruction

2 Wire Dual Drive/Merc - Mayfair Trim Tabs

Starting From:
$2,199.99
This Part has options, please click the button below to order.

LED Trim Indicator Kit by Mayfair with Drive Sync Option for all Single Mercury Outdrives with 2 wire electric sender and with Mercury Gen2 Trim Tabs

137-8892 + Option(s)

  • LED Trim Indicator Kit by Mayfair with Drive Sync Option for all Single
    Mercury Outdrives with 2 wire electric sender and with Mercury Gen2 Trim
    Tabs
  • Mercury Gen2 trim tabs have 5/8" outer diameter trim ram mounting shafts
  • Single Drive Setup Lights Up Both Sides Evenly for Single Drive Display.
  • Lights Run through Red, Green and Blue from Top to Bottom.
  • Polished and Powder-Coated Stainless Steel Rim.
  • Easy to Install and Simple Wiring. No Cables Required.
  • 5" Length x 5" Width Panel
    • Includes:
    • (1) Drive Sync Control Box Kit for Mercury 2-Wire Sender
      Click Here for More Info
    • (1) TrimTab LED Sender
    • (1) 4 Slot Drive/Tab LED
    • (3) Wiring Harnesses
    • (1) Instructons

Dual Drives 3-Wire/Merc - Mayfair Trim Tabs

Starting From:
$2,199.99
This Part has options, please click the button below to order.

LED Trim Indicator Kit by Mayfair with Drive Sync Option for all Single Mercury Outdrives with a 3 wire sender and with Mercury Gen2 Trim Tabs

137-8893 + Option(s)


  • LED Trim Indicator Kit by Mayfair with Drive Sync Option for all Single Mercury Outdrives with a 3 wire electric sender and with Mercury Gen2 Trim Tabs
  • Mercury Gen2 trim tabs have 5/8" outer diameter trim ram mounting shafts.
  • Lights Run through Red, Green and Blue from Top to Bottom.
  • Polished and Powder-Coated Stainless Steel Rim.
  • Easy to Install and Simple Wiring, No Cables Required!
  • Length 5" x Width 5" Panel
    • Includes:
    • (1) Drive Sync Control Box for 3-Wire Mercury Senders
      Click Here for More Info
    • (1) TrimTab LED
    • (1) 4 slot Drive LED
    • (1) Instruction
    • (3) Wiring Harness

Mayfair 2 Slot LED Trim Indicators

Starting From:
$1,799.99
This Part has options, please click the button below to order.

LED Trim Indicator Kit by Mayfair with Trim Sync Option for Mercury Gen2 Trim Tabs, with 5/8" diameter trim ram mounting shafts

137-8898 + Option(s)

  • LED Trim Indicator Kit by Mayfair with Trim Sync Option for Mercury Gen2 Trim Tabs, with 5/8" diameter trim ram mounting shafts
  • Mercury Gen2 trim tabs have 5/8" outer diameter trim ram mounting shafts.
  • Lights Run through Red, Green and Blue from Top to Bottom.
  • Available with Carbon Fiber faces in Black, Silver, Blue, Red, Purple and White
  • Polished and Powder-Coated Stainless Steel Rim.
  • Easy to Install and Simple Wiring, No Cables Required!
  • Includes: (2) Wiring Harnesses
  • Length 5" x Width 2-1/2" Panel
  • Complete Kit - Includes Panel, Harness, and Electronic Sensor Actuators.


Mayfair 2 Slot LED Trim Indicators

Starting From:
$1,999.99
This Part has options, please click the button below to order.

LED Trim Indicator Kit for a Single Mercury #6 Outdrive with Mayfair or Mercury Gen1 Trim Tabs

137-8735 + Option(s)

  • LED Lighted Indicator System by Mayfair for Use with Single Mercury #6 Outdrive with Mayfair or Mercury Gen1 Trim Tabs
  • Mayfair and Mercury Gen1 trim tabs have 1/2" outer diameter trim ram mounting shafts.
  • Single Drive Setup Lights Up Both Sides Evenly for Single Drive Display.
  • Lights Run through Red, Green and Blue from Top to Bottom.
  • Available with Carbon Fiber faces in Black, Silver, Blue, Red and Purple
  • Polished and Powder-Coated Stainless Steel Rim.
  • Easy to Install and Simple Wiring. No Cables Required.
  • Includes: (3) Wiring Harnesses
  • Length: 5"
  • Width: 5"
  • Complete Kit - Includes Panel, Harness, and Electronic Sensor Actuators.