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Our stage 2 Evo X heads great for mild to high horsepower builds, typically mated with a non sleeved built block for the best results. Unlike many of our competitors our package includes Cams, we stand behind Kelfords’ product quality as one of the best in the market. Also featuring in this package, our custom stainless intake and exhaust .5 over valves along with our proven machine work with real results. Extensively tested and dyno proven in house.

Parts Included:
-Kelford 214B Camshafts
-Kelford Springs
-Exigent Solutions Racing Custom Stainless Intake Valves .5 over
-Exigent Solutions Racing Custom Stainless Exhaust Valves .5 over
-New OEM Valve Seals

4 Cyl Cylinder Head Machine Work:
-CNC Mill Deck Surface
-Performance 3 Angle Valve Job
-Set Stem Heights
-Cleaning

Exigent Solutions Spec 4B11 Shortblock Package:

Callies / Saenz / Molnar Rods

Exigent Solutions Spec Custom Traum Pistons

ARP Main Studs

New Bearings

All Machine Work

Blueprinted Engine Assembly

This shortblock is our non-sleeved option for the 4B11. Good for 650+ whp (with supporting mods) this shortblock is perfect for most stock frame turbo builds or those who don’t want to have their block sleeved. All machine work and assembly is done in house to provide some of the best lead times on the market, and allow us to tightly control every aspect and tolerance of every engine build that comes through the door.