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400 RV 10 Bushing

This small bushing slips between the 10 blade 400 RV 10 impeller water pump bushing and housing and increases cooling pressure by about 10%.

90 mm OEM Replacement Throttle Body

BMP throttle body allows you to get an additional 26% flow with this throttle body. It is a direct bolt on to your existing Supercharger snout on a 450R or intake manifold on a v8 200/250/300/300R. Custom 90mm gasket and hardware included. Port matching required on all applications.

ARP Headstud Kit

After working closely with ARP for the last decade, we've partnered up once again to produce the Mercury V8 headstud kit. Our long-lasting relationship and sales volume allows us to pass the savings on to you. These head studs have been designed to work on ALL mercury v8 platforms, even though the supercharged 450/500R are the more popyular applications.

Kit includes:
- 20 studs
- 20 washers
- 20 nuts
- Assembly lube

ARP Rod Bolt Kit

Direct replacement and will bolt on to your existing Mercury V8 platform without the need of swapping bearings

Belak Marine Stage 1 Kit

Package Includes:

• MoTeC ECU
• Oil Filter
• Base Calibration Pre-Installed
• 1 Hour of Remote Tuning Support

Belak Marine Stage 2 Kit

Package Includes:

• MoTeC ECU with GPS
• Base Calibration Pre-Installed
• Oil Filter
• BMP Pulley Kit for Mercury 450R or 500R (Please specify your engine model when ordering.)
• 1 Hour of Remote Tuning Support

Belak Marine Stage 3 Kit

Package Includes:

• MoTeC ECU with GPS
• Base Calibration Pre-Installed
• BMP Pulley Kit for Mercury 450R or 500R
• 90mm Throttle Body for Factory Snout (450R models only)
• 1 Hour of Remote Tuning Support

Belak Marine Stage 4 Kit

Package Includes:

• MoTeC ECU with GPS
• Base Calibration Pre-Installed
• BMP Pulley Kit for Mercury 450R or 500R
• BMP High-Performance Snout & Throttle Body
• 1 Hour of Remote Tuning Support

Boost Bypasss pipe 450/500r

BMP fiber reinforced bypass pipe is a oem direct replacement. the original piece tends to melt/ come apart on high boost & high heat applications.  This part has been bench tested for over 25psi. This BMP boost bypass valve will directly bolt on to your 450/500r. Installation accessories included- Oetiker style crimper required for a simple install.

Brushless Pump

Cometic head gasket

Cometic makes gaskets for championship-level race engines. Pushing your motor means greater internal cylinder pressures that goes beyond what Mercury may have intended. Get some peace of mind when you're hurting feelings with upgraded head gaskets.Offered in 3 separate thicknesses. 

*** Ideally used in conjunction with our ARP head stud kit.

Intercooler water block

Motec GPS

The GPS-L10 is a 10 Hz GPS which combines the electronics and antenna into one small unit. It provides speed and position information, as well as altitude, heading, date, time and GPS statistics.

A highly sensitive receiver allows the GPS to lock onto signals even in difficult environments.

NOTE: RACE USE ONLY, NOT INTENDED FOR RECREATIONAL USE.

Oil filter

Made in the USA, the Belak Marine Products oil filter will thread onto any V8 mercury outboard. Features a stainless steel element which can be cleaned and reused as well as an earth magnet to catch any metal debris. Hardcoat anodized for corrosion prevention

Tool required for install :15/16 socket or wrench

Penta Prop nut

The Belak Marine FIVE sided Prop nut with socket.

Designed for theft prevention.

Prop nut

The Belak Marine product Titanium Prop  1 1/16 standard hex with heavy duty nylon locking nut.

Prop Shaft

Direct replacement to the Factory Mercury 450 R Prop shaft this 300 M solid one piece construction shaft has 34% more strength.

Zinc coated to prevent corrosion And features an upgraded tip for a cotter pin installation.