


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






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.






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






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






Package Includes:






Package Includes:






Package Includes:






Package Includes:






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.






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.












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






The Belak Marine FIVE sided Prop nut with socket.
Designed for theft prevention.






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






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.






Kit includes:






The BMP Billet snout paired with 98 mm throttle body is a must- have for those trying to set records. Made of a superior 7075 material for added strength, this snout will not flex or warp which can cause issues with broken belts like other competitors. Its high flow design is ideal for blower efficiency and acceleration " under the curve". When combined with our bearing plate and pulleys, this kit is capable of 18 psi in the correct weather conditions. All necessary hardware is included. Hardware and Throttle body screen included. ***Best combined with BMP Pulley Kit




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