Required for Ferrea Spring #S10148 (ID) (24 pieces)
Everything needed to install your center muffler
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This product was last offered at the strikethrough price on
05-02-2026
Allows your JB4 to control a WMI pump and solenoid for dynamic progressive flow mapping!
For most JB4 applications.
This product was last offered at the strikethrough price on
05-02-2026
In-house engineered for VW MK4 enthusiasts! Featuring T304 SS Tig-welded 2.5" tubing, a center resonator and a straight-through perforated core muffler
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This product was last offered at the strikethrough price on
05-05-2026
Install aftermarket over-bore pistons with confidence - Mimics engine block shape with cylinder head installed
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This product was last offered at the strikethrough price on
05-02-2026
This bolt-on package pairs a high-volume K04-001 turbocharger with a smooth-bore silicone inlet hose to maximize boost response.
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Factory engine cover will not fit with the use of this inlet hose.
Great for when more fuel is needed in a custom fueling application
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Includes M10x1.5x115 cylinder head bolts, most major cylinder head gaskets, and seals
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This product was last offered at the strikethrough price on
07-17-2026
This high-performance bottom-end kit couples premium 4340 forged steel H-beam connecting rods with dry-film lubricated, tanged race bearings to withstand extreme rotational force and elevated boost pressures.
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This matched high-performance camshaft set features aggressive profiles and pre-set centerlines to optimize valvetrain sequencing for 400+ HP turbocharged engines.
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Black Nitride oversize stainless intake valve for all 4v VW/Audi motors including 16v,20v and 32v motors.
1.5mm oversze Inconel exhuast valve for all 4v VW/Audi motors including 16v,20v and early 32v motors.
Catch Can included in 034-101-1003
High Flow Valve Set
Lightweight Billet Aluminium Crankshaft Pulley For VW MK4 1.8t and 2.0