Bottom-end Assemblies & Components

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Billet Balance Shaft Delete Plug

Billet aluminum Duratec & Ecoboost 4-cylinder balance shaft housing delete plug. This..

$27.49

2.5L - 2.7L Duratec Stroker Kit

100% Made in the USA 2.5L to 2.7L Duratec Stroker KitsThis kit includes the following:Billet 4340 Ul..

$6,131.03

2.5L Duratec Block

Brand New OEM Ford 2.5L Duratec Block Nominal Bore Size: 89mm (3.504")Nominal Deck Height: 231m..

$1,024.57

2.5L Duratec Esslinger-spec Cometic head gaskets

Working with Cometic we have been able to come up with a line of premium MLS (Multi Layer Steel) hea..

$140.71

Cometic MLX Headgasket

Working with Cometic we have been able to come up with a line of premium MLX head gasketsthat meet t..

$179.17

Duratec 6.050" Billet Ultra-Lite Rods

ROD SPECS:6.050" Center to center length1.890" Big End Housing bore dia..787" Wristpin dia..858" wid..

$1,725.71

Esslinger Billet Duratec Crank

These cranks are not only stronger than the cast 100mm. and forged 94mm cranks, they are also way li..

$3,629.99

Ford 4-cylinder pilot bearing

OEM replacement needle bearing type pilot bearing.

$17.59

Forged 94mm Crank w/ 52mm Rod Journals

We start with a brand new OEM Ford 2.3L Ecoboost crankshaft, and machine the snout for a 5mm wide ke..

$607.32

King Ecoboost / Duratec Race Series Main Bearings

These race series bearings feature tri-metal construction for improved particle embedability compare..

$92.27

Sport-Series 2.5L Duratec Ring Set

Sport-Series file-fit ring features1mm Nitrided Steel Top Rings1.2mm Napier 2nd Rings2.8mm 3pc. Stai..

$178.57

2.5L Duratec "Long Rod" Pistons (89.078mm Bore)

These pistons are replacements for our 2.5L Long Rod & Piston kits!Valve Reliefs:Valve Reliefs f..

$779.99

2.5L Duratec "Long Rod" Pistons (89.5mm Bore)

These pistons are replacements for our 2.5L Long Rod & Piston kits!Valve Reliefs:Valve Reliefs f..

$779.99

2.5L Duratec Long Rod and Piston Kit (10.5:1)

We've developed this long-rod piston kits to increase reliability and power from the Duratec and L5 ..

$1,606.49

2.5L Duratec Long Rod and Piston Kit (12:1)

We've developed this long-rod piston kits to increase reliability and power from the Duratec and L5 ..

$1,606.49

2.5L Duratec Long Rod and Piston Kit (13.5:1)

We've developed this long-rod piston kit to increase reliability and power from the Duratec and L5 2..

$1,606.49

2.5L Duratec Long Rod and Piston Kit (14.5:1)

We've developed this long-rod piston kit to increase reliability and power from the Duratec and L5 2..

$1,606.49

2.5L Duratec Long Rod and Piston Kit (9.5:1)

We've developed this long-rod piston kit to increase reliability and power from the Duratec and L5 2..

$1,606.49

89mm 2.5L Duratec "Long Rod" Pistons

These pistons are replacements for our 2.5L Long Rod & Piston kits!Valve Reliefs:Valve Reliefs f..

$779.99

kING Ecoboost 2.3L / Duratec 2.5L Race Series Rod Bearings

These bearings feature tri-metal construction for improved particle embedability compared to the OEM..

$98.99