Closed Cooling Systems - Complete Closed Cooling Kits

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 in a paint-to-finish primed coated version. 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.


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 in a paint-to-finish primed coating. 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


Closed Cooling System, Indmar - 350 - Engines - 1995-1998, Front Mount Half-System
Your Price:
$1,099.99

Closed Cooling System, Indmar - 350 - Engines - 1995-1998, Front Mount Half-System

543-300088

Closed Cooling System

This closed cooling Front Mount Half system kit fits Indmar - 350 - engines from the years 1995 | 1996 | 1997 | 1998. This cooling system kit cools the block only.

Cooling System Kit Front Mount Block Only LT-1 No V-drive

NOTE: Please have Year, Engine Size, Engine Model and Serial Number available when ordering or making inquiries on this closed cooling system


Closed Cooling System, Indmar - 350 - Engines - 1995-1999, Front Mount Half-System
Your Price:
$1,410.99

Closed Cooling System, Indmar - 350 - Engines - 1995-1999, Front Mount Half-System

543-300005

Closed Cooling System

This closed cooling Front Mount Half system kit fits Indmar - 350 - engines from the years 1995 | 1996 | 1997 | 1998 | 1999. This cooling system kit cools the block only.

NOTE: Please have Year, Engine Size, Engine Model and Serial Number available when ordering or making inquiries on this closed cooling system


Closed Cooling System, Indmar - 350 - Engines - 2000, Front Mount Half-System
Your Price:
$1,304.99

Closed Cooling System, Indmar - 350 - Engines - 2000, Front Mount Half-System

543-400869

Closed Cooling System

This closed cooling Front Mount Half system kit fits Indmar - 350 - engines from the years 2000. This cooling system kit cools the block only.

Front Mount Block Only, LTR/MPI

NOTE: Please have Year, Engine Size, Engine Model and Serial Number available when ordering or making inquiries on this closed cooling system


Closed Cooling System, Indmar - 350 - Engines - 2002-2005, Front Mount Half-System
Your Price:
$1,293.99

Closed Cooling System, Indmar - 350 - Engines - 2002-2005, Front Mount Half-System

543-400288

Closed Cooling System

This closed cooling Front Mount Half system kit fits Indmar - 350 - engines from the years 2002 | 2003 | 2004 | 2005. This cooling system kit cools the block only.

Front Mount Block Only, MCX, WILL NOT FIT V-DRIVE

NOTE: Please have Year, Engine Size, Engine Model and Serial Number available when ordering or making inquiries on this closed cooling system


Closed Cooling System, Indmar - 350 - Engines - 2002-2005, Front Mount Half-System
Your Price:
$1,271.99

Closed Cooling System, Indmar - 350 - Engines - 2002-2005, Front Mount Half-System

543-500088

Closed Cooling System

This closed cooling Front Mount Half system kit fits Indmar - 350 - engines from the years 2002 | 2003 | 2004 | 2005. This cooling system kit cools the block only.

Front Mount Block Only, MCX Tight envelope Prostar 197, WILL NOT FIT V-DRIVE

NOTE: Please have Year, Engine Size, Engine Model and Serial Number available when ordering or making inquiries on this closed cooling system


Closed Cooling System, Indmar - 350 - Engines - 2002-2006, Rear Mount Half-System
Your Price:
$1,685.99

Closed Cooling System, Indmar - 350 - Engines - 2002-2006, Rear Mount Half-System

543-500123

Closed Cooling System

This closed cooling Rear Mount Half system kit fits Indmar - 350 - engines from the years 2002 | 2003 | 2004 | 2005 | 2006. This cooling system kit cools the block only.

Rear Mount Block Only, CARB/TBI

NOTE: Please have Year, Engine Size, Engine Model and Serial Number available when ordering or making inquiries on this closed cooling system


Closed Cooling System, Indmar - 351 - Engines - 1986-1997, Front Mount Half-System
Your Price:
$1,283.99

Closed Cooling System, Indmar - 351 - Engines - 1986-1997, Front Mount Half-System

543-400800

Closed Cooling System

This closed cooling Front Mount Half system kit fits Indmar - 351 - engines from the years 1986 | 1987 | 1988 | 1989 | 1990 | 1991 | 1992 | 1993 | 1994 | 1995 | 1996 | 1997. This cooling system kit cools the block only.

NOTE: Please have Year, Engine Size, Engine Model and Serial Number available when ordering or making inquiries on this closed cooling system


Closed Cooling System, Indmar - Vortec 6000 VVT - Engines - 2006-2011, Vertical Half-System
Your Price:
$1,492.99

Closed Cooling System, Indmar - Vortec 6000 VVT - Engines - 2006-2011, Vertical Half-System

543-501451

Closed Cooling System

This closed cooling Vertical Half system kit fits Indmar - Vortec 6000 VVT - engines from the years 2006 | 2007 | 2008 | 2009 | 2010 | 2011. This cooling system kit cools the block only.

Vertical mount 1/2 system for Indmar Gen 4 LY6 V drive

NOTE: Please have Year, Engine Size, Engine Model and Serial Number available when ordering or making inquiries on this closed cooling system


Closed Cooling System, Mercruiser - 233 Ford - Engines - 1975-1977, Front Mount Full-System
Your Price:
$1,571.99

Closed Cooling System, Mercruiser - 233 Ford - Engines - 1975-1977, Front Mount Full-System

543-300081

Closed Cooling System

This closed cooling Front Mount Full system kit fits Mercruiser - 233 Ford - engines from the years 1975 | 1976 | 1977. This cooling system kit cools the block & manifolds

NOTE: Please have Year, Engine Size, Engine Model and Serial Number available when ordering or making inquiries on this closed cooling system


Closed Cooling System, Mercruiser - 6.2 L - Engines - 2002, Front Mount Full-System
Your Price:
$1,762.99

Closed Cooling System, Mercruiser - 6.2 L - Engines - 2002, Front Mount Full-System

543-400555

Closed Cooling System

This closed cooling Front Mount Full system kit fits Mercruiser - 6.2 L - engines from the years 2002. This cooling system kit cools the block & manifolds

Front Mount Full System, Wet joint V-drive only, 30 GPM raw water needed

NOTE: Please have Year, Engine Size, Engine Model and Serial Number available when ordering or making inquiries on this closed cooling system


Closed Cooling System, Mercruiser 357 - 357 Magnum - Engines - 2015 Reman,  full system-System
Your Price:
$1,306.99

Closed Cooling System, Mercruiser 357 - 357 Magnum - Engines - 2015 Reman, full system-System

543-501601

Closed Cooling System

This closed cooling full system system kit fits Mercruiser 357 - 357 Magnum - engines from the years 2015 Reman. This cooling system kit cools the block & manifolds

Mercruiser 357 2015 Re-manufactured 2015 engine. Wet Joint.

NOTE: Please have Year, Engine Size, Engine Model and Serial Number available when ordering or making inquiries on this closed cooling system


Closed Cooling System, OMC - 225 Chevy - Engines - 1973, Front Mount Half-System
Your Price:
$1,258.99

Closed Cooling System, OMC - 225 Chevy - Engines - 1973, Front Mount Half-System

543-300045

Closed Cooling System

This closed cooling Front Mount Half system kit fits OMC - 225 Chevy - engines from the years 1973. This cooling system kit cools the block only.

NOTE: Please have Year, Engine Size, Engine Model and Serial Number available when ordering or making inquiries on this closed cooling system


Closed Cooling System, OMC - 235 Ford - Engines - 1977-1986, Front Mount Half-System
Your Price:
$1,338.99

Closed Cooling System, OMC - 235 Ford - Engines - 1977-1986, Front Mount Half-System

543-300048

Closed Cooling System

This closed cooling Front Mount Half system kit fits OMC - 235 Ford - engines from the years 1977 | 1978 | 1979 | 1980 | 1981 | 1982 | 1983 | 1984 | 1985 | 1986. This cooling system kit cools the block only.

NOTE: Please have Year, Engine Size, Engine Model and Serial Number available when ordering or making inquiries on this closed cooling system


Closed Cooling System, OMC - 240 Ford , 190 Ford - Engines - 1977-1986, Front Mount Full-System
Your Price:
$2,127.99

Closed Cooling System, OMC - 240 Ford , 190 Ford - Engines - 1977-1986, Front Mount Full-System

543-300050

Closed Cooling System

This closed cooling Front Mount Full system kit fits OMC - 240 Ford , 190 Ford - engines from the years 1977 | 1978 | 1979 | 1980 | 1981 | 1982 | 1983 | 1984 | 1985 | 1986. This cooling system kit cools the block & manifolds

Cooling System Kit Front Mount Full System 30 GPM raw water needed

NOTE: Please have Year, Engine Size, Engine Model and Serial Number available when ordering or making inquiries on this closed cooling system


Closed Cooling System, OMC - 260 Chevy - Engines - 1979-1982, Front Mount Full-System
Your Price:
$1,747.99

Closed Cooling System, OMC - 260 Chevy - Engines - 1979-1982, Front Mount Full-System

543-300052

Closed Cooling System

This closed cooling Front Mount Full system kit fits OMC - 260 Chevy - engines from the years 1979 | 1980 | 1981 | 1982. This cooling system kit cools the block & manifolds

Cooling System Kit Front Mount Full System 30 GPM raw water needed

NOTE: Please have Year, Engine Size, Engine Model and Serial Number available when ordering or making inquiries on this closed cooling system


Closed Cooling System, OMC - 260 Chevy , 228 Chevy , 185 Chevy - Engines - 1974-1986, Front Mount Half-System
Your Price:
$1,380.99

Closed Cooling System, OMC - 260 Chevy , 228 Chevy , 185 Chevy - Engines - 1974-1986, Front Mount Half-System

543-300034

Closed Cooling System

This closed cooling Front Mount Half system kit fits OMC - 260 Chevy , 228 Chevy , 185 Chevy - engines from the years 1974 | 1975 | 1976 | 1978 | 1979 | 1980 | 1981 | 1982 | 1983 | 1984 | 1985 | 1986. This cooling system kit cools the block only.

NOTE: Please have Year, Engine Size, Engine Model and Serial Number available when ordering or making inquiries on this closed cooling system


Closed Cooling System, OMC - 4.3 L - Engines - 1987-1993, Front Mount Half-System
Your Price:
$1,202.99

Closed Cooling System, OMC - 4.3 L - Engines - 1987-1993, Front Mount Half-System

543-300006

Closed Cooling System

This closed cooling Front Mount Half system kit fits OMC - 4.3 L - engines from the years 1987 | 1988 | 1989 | 1990 | 1991 | 1992 | 1993. This cooling system kit cools the block only.

NOTE: Please have Year, Engine Size, Engine Model and Serial Number available when ordering or making inquiries on this closed cooling system


Closed Cooling System, OMC - 5.0 L , 5.7 L - Engines - 1986-1988, Front Mount Full-System
Your Price:
$1,699.99

Closed Cooling System, OMC - 5.0 L , 5.7 L - Engines - 1986-1988, Front Mount Full-System

543-300019

Closed Cooling System

This closed cooling Front Mount Full system kit fits OMC - 5.0 L , 5.7 L - engines from the years 1986 | 1987 | 1988. This cooling system kit cools the block & manifolds

Cooling System Kit Front Mount Full System Rear riser 30 GPM raw water needed

NOTE: Please have Year, Engine Size, Engine Model and Serial Number available when ordering or making inquiries on this closed cooling system