Engine Performance Items

Engine Performance Items

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1 - 9 of 9 items

Blow Out Ring

Blow Out Ring

Blow out happens when the ratio of air to water surrounding the prop gets so great that the prop is no longer biting the water, in fact the prop is now trying to drive itself through air (or a relative vacuum). When blow out occurs, the prop will...

  • Price: $64.95

Engine Cowling

Engine Cowling

Mercury Type After Market Light Weight Replacement Cowling - #MLC Complete S.S. bottom plate, bottom pan and cowling. ** Fits only MERCURY 2.4 or most 2.5 liter motors, but will not fit 3.0 liter. ** When ordering please specify engine type.

  • Price: $1,000.00

Engine Louvers

Engine Louvers

Engine Louver Kit Don't hold back on letting your engine perform at its best. Let your engine breath at full throttle. Stock covers often restrict the air intake to the engine. With this kit installed your engine will have the breathing potential...

  • Price: $44.95

Mercury V-6 Velocity Stacks

Mercury V-6 Velocity Stacks

Velocity Stacks (Mercury 2.0, 2.4 & 2.5L blocks) Increase air flow and performance, the air straightening effect created by the radics of the Venturi reduces turbulence (fogging) and improves air flow by approx. 10 C.F.M.

  • Price: $99.00

Reversible Transom Wedges 2 degree

Reversible Transom Wedges 2 degree

Bob's Reversible wedges for either positive or negative trim. Machined billet units, look great, and will never crack like cheaper cast units from competitors! Powder Coated is an option. Offering 2 degrees of either negative or positive trim....

  • Price: $59.95

Reversible Transom Wedges 5 degree

Reversible Transom Wedges 5 degree

Bob's Reversible wedges for either positive or negative trim. Machined billet units with Bob's Machine Shop engraved into them. Look great, and will never crack. Black Powder Coated is an option. Offering 5 degrees of either negative or positive...

  • Price: $65.95

Torco Gas Treatment

Torco Gas Treatment

Torco Gas Treatment: 32oz Torco Accelerator will transform the make up of premium pump gas to closely resemble race fuel. Creates greater efficiencyÂ…. more horsepower!

  • Price: $24.95

Torque Tamer - Hi-Perf Weld On

Torque Tamer - Hi-Perf Weld On

Tame that torque! Bob's TORQUE TAMER will straighten out the high-speed steering pull that today's high-pitched propellors produce when running at high transom settings. The paddle-wheel flow produced by the submerged part of such a propeller...

  • Price: $29.99

Torque Tamer - Pop Rivet

Torque Tamer - Pop Rivet

Tame that torque! Bob's TORQUE TAMER will straighten out the high-speed steering pull that today's high-pitched propellors produce when running at high transom settings. The paddle-wheel flow produced by the submerged part of such a propeller...

  • Price: $24.95

  Bob's Machine Shop jack plates are made in the USA, designed and manufactured in house.