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CLEVOR/BOSS

The best of both worlds.

Our research and development on the Clevor / Boss platform has been exclusively with hydraulic roller camshaft & street driven cars in mind. Drivability being the key focus while also packing a great performance punch. Our development is ongoing as we will continue to refine these packages.

Triple Black 434

The triple black 434 Clevor we offer is a proven package to make 710hp @ 6500 RPM and 600ft-lb torque @4400 RPM. This package is the perfect engine for any Tuff street Ford muscle car.

$35,000 Long Engine

$43,000 Turn key Engine

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Rotating assembly

Internally balanced 

4130 forged scat crankshaft

Callies H-beam conrods

Forged racetec pistons

 

Bearings & gaskets 

Clevite race series bearings

Felpro gaskets throughout

 

Valve train 

Custom hydraulic roller cam

Johnson roller lifters

Chromoly pushrods

Scorpion roller rockers

 

Cylinder heads

3V 225cc CHI cylinder heads ( ceramic coated )

3V CHI intake manifold ( ceramic coated )

REV race valves

PAC racing springs

ARP head studs

 

Misc

ceramic coated timing cover

Stainless hardware throughout

 

 

Turn key parts ( optional extras )

Ice ignition system

Holley xp 950cfm carburettor

140amp alternator 

Unrivaled alternator bracket

Unrivaled 6pk serpentine drive system 

fabricated rocker covers -12 outlet

Unrivaled billet throttle cable bracket

Dyno tuned

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Are you interested in discussing an package or having difficulty locating the one you need? Contact us with your inquiry so we can help find your ideal engine. We're excited to announce that we're expanding our offerings to GM LS engine packages in addition to SB Chev.

Contact us

©2025 by EJR PERFORMANCE

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