Hardin Marine

Pair Of Cast Aluminum Hardin Marine / Gil Marine Aluminum Risers

These 4” fully water jacketed one piece cast aluminum risers are the perfect answer to providing cast header style performance while reducing weight over factory cast iron systems. Perfect for all stock replacement applications. Reduces water with exhaust at the exit of the pipe.

Pair of Cast 304 Stainless Steel Fittings
1" NPT To 1-1/4" Straight

• 625-4100
• 625-4105
• 625-4106
• 625-4107
• 625-4109
• 625-4110
• 625-4118
• 625-4178

Pair Of Polished Custom Dimension Bravo Wet Offshore Tailpipes

This 4" O.D x 3-1/2" I.D wet tailpipe is the standard pipe used on the wet offshore system All necessary tailpipe hardwareis included. Sold in pairs.

Additional Information:

• Standard Alpha/Bravo Exhaust Hole Locations
• Custom Measurement Instructions

Priced according to your dimensions.  Submit yourcustom measurements for a price quote.

Pair Of Polished Standard Dimension Bravo Wet Offshore Tailpipes

This 4" O.D x 3-1/2" I.D wet tailpipe is the standard pipe used on the wet offshore system. These fit Gil and Hardin Cyclone exhaust. Sold in pairs.

Additional Information:

• Standard Alpha/Bravo Exhaust Hole Locations
• Custom Measurement Instructions

Pan E-vac System

Designed primarily for drag and circle racing. This system is designed to reduce pressure build-up in the engine crankcase and to reduce oil leaks, while increasing engine performance. Track and dyno tests show significant horsepower increases.

Includes 2 each:
• oil separators/breathers
• breather/filler cap
• grommets
• one-way check valve and weld-in nipple for header collector.

Note: colder plugs work best in supercharged applications and warmer plugs in general performance uses. Most cast iron cylinder heads use tapered spark plug while most aluminum heads use a gasket style plug. This plug is slightly hotter than the similar 750-R5671A-7.

Performance Series Spark Plugs - A/C .460" reach, 5/8" hex, tapered

These are the most commonly used performance plugs today! These are a stock replacement for Mercruiser BBC and SBC motors.

Ribbed Suppressor Seal, which extends resistance and prevents spark 'flash over' and misfire. Nickel-chrome alloy sheathing to help prevent corrosion on center electrode.

• Heat Range: 3
• Resistor Plug: Yes
• Gap (In): 0.040 Inch
• Thread Reach (In): 0.430 Inch

Note: Colder plugs work best in supercharged applications and warmer plugs in general performance uses. Most cast iron cylinder heads use tapered spark plug while most aluminum heads use a gasket style plug.

Note: colder plugs work best in supercharged applications and warmer plugs in general performance uses. Most cast iron cylinder heads use tapered spark plug while most aluminum heads use a gasket style plug.

Note: colder plugs work best in supercharged applications and warmer plugs in general performance uses. Most cast iron cylinder heads use tapered spark plug while most aluminum heads use a gasket style plug.

• Assembly is constructed of stainless steel
• Available in 1/8" and 1/4" sizes
• Has ability to adjust up and down to achieve optimum height
• Bracket allows tube to kick up out of harms way

• Offered in 5", 7", or 10" sizes
• Fits most stainless style speedometer pick-ups
• 5/16"-24 Thread

Pitot Tube Fitting - 1/4" or 1/8" Hose, 5-16"-24 Thread

Plastic Undercover Cup For Stainless LED Pop-up Bow Lights

For use with 680-211-M, Pop-Up Bow Light.

Plastic Undercover Cup For Stainless Pop-up Bow Lights

For use with 680-204-M, Pop-Up Bow Light.

• For Gen 4 BBC Applications.
• 8 Plate Oil Cooler.
• 8' of Push-Loc Hose included.
• Includes 625-7704 Thermostatically Controlled Engine Block Adapter.
• Includes 4 Straight and 4 90 Degree Fittings for installation.
• Includes XRP Push-on Ensure Clamps that are self tensioning for severe race and high temp applications. A must for high heat and oil line applications like this, ensuring a secure seal without damage to the hose construction. For installation and removal of hose clamps, specially designed pliers are available (see related parts).

• For Gen 4 BBC Applications.
• 8 Plate Oil Cooler.
• 8' of Nylon Braided Hose included.
• Includes 625-7704 Thermostatically Controlled Engine Block Adapter.
• Includes 4 Straight and 4 90 Degree Fittings for installation.
• Includes XRP Push-on Ensure Clamps that are self tensioning for severe race and high temp applications. A must for high heat and oil line applications like this, ensuring a secure seal without damage to the hose construction. For installation and removal of hose clamps, specially designed pliers are available (see related parts).

• For Gen 4 BBC Applications.
• 13 Plate Oil Cooler with Polished Brackets.
• 8' of Push-On Hose included.
• Includes 625-7703 Thermostatically Controlled Engine Block Adapter.
• Includes 4 Straight and 4 90 Degree Fittings for installation.
• Includes XRP Push-on Ensure Clamps that are self tensioning for severe race and high temp applications. A must for high heat and oil line applications like this, ensuring a secure seal without damage to the hose construction. For installation and removal of hose clamps, specially designed pliers are available (see related parts).

• For Gen 4 BBC Applications.
• 13 Plate Oil Cooler with Polished Brackets.
• 8' of Nylon Braided Hose included.
• Includes 625-7704 Thermostatically Controlled Engine Block Adapter.
• Includes 4 Straight and 4 90 Degree Fittings for installation.
• Includes XRP Push-on Ensure Clamps that are self tensioning for severe race and high temp applications. A must for high heat and oil line applications like this, ensuring a secure seal without damage to the hose construction. For installation and removal of hose clamps, specially designed pliers are available (see related parts).

• For Gen 5/6 BBC Applications.
• 13 Plate Oil Cooler with Polished Brackets.
• 8' of Push-Loc Hose included.
• Includes 625-7704 Thermostatically Controlled Engine Block Adapter.
• Includes 4 Straight and 4 90 Degree Fittings for installation.
• Includes XRP Push-on Ensure Clamps that are self tensioning for severe race and high temp applications. A must for high heat and oil line applications like this, ensuring a secure seal without damage to the hose construction. For installation and removal of hose clamps, specially designed pliers are available (see related parts).

• For Gen 5/6 BBC Applications.
• 13 Plate Oil Cooler with Polished Brackets.
• 8' of yNlon Braided Hose included.
• Includes 625-7704 Thermostatically Controlled Engine Block Adapter.
• Includes 4 Straight and 4 90 Degree Fittings for installation.
• Includes XRP Push-on Ensure Clamps that are self tensioning for severe race and high temp applications. A must for high heat and oil line applications like this, ensuring a secure seal without damage to the hose construction. For installation and removal of hose clamps, specially designed pliers are available (see related parts).

• For Gen 5/6 BBC Applications.
• 8 Plate Oil Cooler with Polished Brackets.
• 8' of Push-Loc Hose included.
• Includes 625-7704 Thermostatically Controlled Engine Block Adapter.
• Includes 4 Straight and 4 90 Degree Fittings for installation.
• Includes XRP Push-on Ensure Clamps that are self tensioning for severe race and high temp applications. A must for high heat and oil line applications like this, ensuring a secure seal without damage to the hose construction. For installation and removal of hose clamps, specially designed pliers are available (see related parts).

• For Gen 5/6 BBC Applications.
• 8 Plate Oil Cooler with Polished Brackets.
• 8' of Nylon Braided Hose included.
• Includes 625-7704 Thermostatically Controlled Engine Block Adapter.
• Includes 4 Straight and 4 90 Degree Fittings for installation.
• Includes XRP Push-on Ensure Clamps that are self tensioning for severe race and high temp applications. A must for high heat and oil line applications like this, ensuring a secure seal without damage to the hose construction. For installation and removal of hose clamps, specially designed pliers are available (see related parts).

• For Gen 4 BBC Applications.
• 8 Plate Oil Cooler.
• 10' of Push-Loc Hose included.
• Includes 625-7703 Thermostatically Controlled Engine Block Adapter.
• Includes 625-7742/5 Oil Filter Head with choice of Black or Polished.
• Includes 8 Straight and 8 90 Degree Fittings for installation.
• Includes XRP Push-on Ensure Clamps that are self tensioning for severe race and high temp applications. A must for high heat and oil line applications like this, ensuring a secure seal without damage to the hose construction. For installation and removal of hose clamps, specially designed pliers are available (see related parts).

• For Gen 4 BBC Applications.
• 8 Plate Oil Cooler.
• 10' of nylon braided Hose included.
• Includes 625-7703 Thermostatically Controlled Engine Block Adapter.
• Includes 625-7742/5 Oil Filter Head with choice of Black or Polished.
• Includes 8 Straight and 8 90 Degree Fittings for installation.
• Includes XRP Push-on Ensure Clamps that are self tensioning for severe race and high temp applications. A must for high heat and oil line applications like this, ensuring a secure seal without damage to the hose construction. For installation and removal of hose clamps, specially designed pliers are available (see related parts).

• For Gen 5/6 BBC Applications.
• 8 Plate Oil Cooler.
• 10' of Push-Loc Hose included.
• Includes 625-7704 Thermostatically Controlled Engine Block Adapter.
• Includes 625-7742/5 Oil Filter Head with choice of Black or Polished.
• Includes 8 Straight and 8 90 Degree Fittings for installation.
• Includes XRP Push-on Ensure Clamps that are self tensioning for severe race and high temp applications. A must for high heat and oil line applications like this, ensuring a secure seal without damage to the hose construction. For installation and removal of hose clamps, specially designed pliers are available (see related parts).