Hardin Marine

• Constructed of 316L Stainless Steel.
• Standard 1-1/4" Slip-On Port Entry Stainless Steel Water Inlet Crossover.
• Precisely machined inlet plates welded to a large diameter crossover tube to provide equal water distribution.
• Uses a standard 1-1/4" slip-on inlet connection.
• Bypass

• Constructed of 316L Stainless Steel.
• Standard 1-1/4" Slip-On Starboard Entry Stainless Steel Water Inlet Crossover.
• Precisely machined inlet plates welded to a large diameter crossover tube to provide equal water distribution.
• Uses a standard 1-1/4" slip-on inlet connection.
• Available in port and starboard inlet configuration, (check before ordering) for Small Block Chevy engines only.

Scoop and Velocity Stack Mounting Screens

These stainless steel air screens are perfect for attaching air scoops and velocity stacks.  They will flow plenty of air while keeping foreign objects from entering your carburetor. 5.5" diameter. Sold each.

Lid Washer for Gil / Hardin Offshore 3/8 Hole Clamp Type, Sea Strainer

Designed to fit Gil Generation 2 (Single Knob) and Hardin Offshore Generation 1 Sea Strainers.

"SE" Special Edition Tuning Kit For MerCruiser 454 & 502 Magnum MPI Engines

This kit is an excellent choice for those just beginning performance modifications on a MerCruiser Magnum EFI Series engine. This kit includes the "SE" Special Edition flame arrestor that utilizes a high flow K&N clamp-on style filter element and high velocity air inlet adapter which increases air flow by as much as 20%. The included Flow Command adjustable fuel pressure regulator allows you to tune to the proper air flow by allowing adjustments from 25 to 65 PSI.

"SE" Sport Dual Plane Big Block Chevy Oval Port Intake Manifold - Black

If you're looking for a manifold that's got it all then the "SE" Sport Intake is your answer. Its dual plane design assures that from idle to planing speeds you'll experience a power burst with incredible mid-range acceleration. This manifolds dual plane design lends itself to increased fuel efficiency as well.

RPM Range: 1500 to 6500

"SE" Sport Dual Plane Big Block Chevy Oval Port Intake Manifold - Machine Polished

If you're looking for a manifold that's got it all then the "SE" Sport Intake is your answer. Its dual plane design assures that from idle to planing speeds you'll experience a power burst with incredible mid-range acceleration. This manifolds dual plane design lends itself to increased fuel efficiency as well. Note: the polishing is a "machine/semi polish" and not a mirror finish type polish.

RPM Range: 1500 to 6500

"SE" Sport Dual Plane Big Block Chevy Oval Port Intake Manifold - Satin Finish

If you're looking for a manifold that's got it all then the "SE"Sport Intake is your answer.  Its dual plane design assures that from idleto planing speeds you'll experience a power burst with incredible mid-rangeacceleration.  This manifolds dual plane design lends itself to increasedfuel efficiency as well.

RPM Range: 1500 to 6500

"SE" Sport Edition Loader Scoop for Berkeley JG, JC, JI, & Dominator Pumps

This is the all "SE" Sport Edition loader scoop from Hardin Marine. These loader scoops are a great entry level upgrade from a stock jet intake grate. They are designed to work best with stock or only mildly modified engine packages. By using an outer angle ramp design this unit can help to deliver more water into the jet intake for improved performance.

"SE" Sport Edition Loader Scoop for Jacuzzi WJ

This is the all "SE" Sport Edition loader scoop from Hardin Marine. These loader scoops are a great entry level upgrade from a stock jet intake grate. They are designed to work best with stock or only mildly modified engine packages. By using an outer angle ramp design this unit can help to deliver more water into the jet intake for improved performance.

SeaPump Master Rebuild Mercury Gen 3, 850/1075

• 850 SCI: 0M957579 & UP
• 1075 SCI: 0M905359 THRU OM957024 GEN 3 PUMP ONLY. 0M957032 & UP
• 1025 SCI: ALL
• 1100 QC4V: ALL
• 1200 SCI: ALL
• 1350 QC4V: ALL
• 1650 QC4V: ALL

SeaPump Master Rebuild Mercury Gen 3, 850/1075

• 850 SCI: 0M957579 & UP
• 1075 SCI: 0M905359 THRU OM957024 GEN 3 PUMP ONLY. 0M957032 & UP
• 1025 SCI: ALL
• 1100 QC4V: ALL
• 1200 SCI: ALL
• 1350 QC4V: ALL
• 1650 QC4V: ALL

Sea Strainer Stud Sleeve

Sea Strainer Washer

Seal for Hardin Marine Gen 7 and Gen 8 Pumps

Seal for Gen 7 Plus Sea Pump

Seal for Hardin Marine Multi Stage Sea Pumps, Gen 7 / 8 Sea Pumps

Replacement seals for High Speed Saginaw Style Power Steering Pump #135-20000

Replace worn out O-Ring seals with this kit.

Seal, DU

• Available: (1) One
• Condition: New

Replaces Mercury OEM #846446

New from Mayfair by Hardin Marine upgraded end cap gland for all Mercury Racing #6, #7, NXT1 transoms. This upgraded end cap gland has dual inner wiper seals, an upgrade over the single wiper seal of Mercury to eliminate leaky cylinders. Machine from USA navel bronze bar. This replaces the Mercury racing # 846446 that has been discontinued by Mercury.

With the overwhelming success of the performance of Seaward exhaust manifold system it was only natural to expand into even more offerings. This latest version uses the popular Seaward Ocean Series manifolds combined with a intersecting companion pipe allow for direct replacement of rotting, cracked, failing original elbow top styled headers while providing the unmatched durability of a performance manifold system. This system allow's the original tailpipes to be reused for simplicity and affordability of exhaust replacement.

• Manifold is powder-coated for corrosion protection
• Optional "Ocean Series" Extreme Corrosion Treatment available for additional interior corrosion protection 
• HP Riser for high performance performance applications.
• CMI Flange on riser uses existing tailpipes.
• Also replaces Mercury HP 500 EFI applications. 
• Polished Stainless steel tailpipe is manufactured from premium 316L Stainless steel, 4" OD 
• 356T Aluminum Heat treated tubular style cast internal manifold core for header like performance
• Kit includes all bolts and gaskets needed for installation

• Manifold is powder-coated for corrosion protection
• Optional "Ocean Series" Extreme Corrosion Treatment available for additional interior corrosion protection 
• Perfect for use on HP500, 540 Bulldog and other HP Bravo Applications.
• HP Riser for high performance performance applications.
• Polished Stainless steel tailpipe is manufactured from premium 316L Stainless steel, 4" OD 
• 356T Aluminum Heat treated tubular style cast internal manifold core for header like performance
• Kit includes all bolts and gaskets needed for installation

Seaward 3" Taller Risers - Sold As A Pair

Seaward 6" Taller Risers - Polished - Sold In Pairs

Polished Stainless steel tailpipe is manufactured from premium 316L Stainless steel, 4" OD

These tailpipes feature a 4" O.D and a 3-1/2" I.D. for maximum exhaust flow.

Seaward 600/700 Risers - Polished