Glm Products Complete Exhaust Manifold Set 58232

$886.20Save 21%
$699.95
eBay - 350jr
eBay - 350jr

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Explosive Powersports
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Glm Products Complete Exhaust Manifold Set 58232$699.95

For All Post-1986 Mercruiser GM V8 -4 inch Elbow -No Spacer In the V8 GM Small Block, GLM's fully tuned design guides exhaust gases directly to the riser without turbulance and back pressure. This increases the engine's performance by 10%. These GLM manifolds also feature an ...For All Post-1986 Mercruiser GM V8 -4 inch Elbow -No Spacer In the V8 GM Small Block, GLM's fully tuned design guides exhaust gases directly to the riser without turbulance and back pressure.

This increases the engine's performance by 10%. These GLM manifolds also feature an additional 40% increase in water cooling area that decreases the manifold's overall body temperature significantly. In GLM's Mercruiser replacement 4 inch riser, there are two additional water jackets.

This allows a higher volume of water to flow through the riser, keeping the engine cooler.

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