Complete reinforced silicone breather hose kit, replacing the entire degraded original plastic/rubber breather system, for 1.8T engines with AWD/ATC engine codes.

Complete reinforced silicone breather hose kit with 034Motorsport billet PCV check valve included, for Audi TT 225 early AMU engine code.

Complete reinforced silicone breather hose kit with integrated billet check valve, replacing the entire degraded original plastic/rubber breather system, for late-model VW MkIV 1.8T engine code AWP.

High-quality reinforced silicone MAF hose for Audi S4/A6/Allroad 2.7T, connecting the MAF sensor to the 2.7T Y-Pipe.

High-rate valve spring kit for Audi 5-cylinder 20V engines, recommended with high-lift camshafts or regular use above 7000 rpm to prevent valve float. Compatible with OEM or 034Motorsport titanium retainers. Set of 20 pairs.

Reinforced external wastegate diaphragm, polyester-reinforced high-temperature silicone, over 50% thicker than the original part. Replaces OEM part number 035145797B, discontinued by Audi. Fits 5-cylinder turbo 10V/20V engines (MC, 3B, AAN, ABY, ADU).

RELAY KIT, C4 FUEL PUMPC4 FUEL 034 Motorsport

Replacement disc ring and hardware set, 400 mm, for the 034Motorsport 2-piece floating front brake disc kit, Audi C7 S6/S7.

Replacement rotor ring set and hardware for the 034Motorsport 2-piece floating front brake rotor kit, Audi B9/B9.5 S4/S5/SQ5. Installation effort: moderate.

Replacement rotor ring set and hardware for the 034Motorsport 2-piece floating front brake rotor kit, Audi R8 Gen1/1.5, also compatible with RS4/RS5 B8/B8.5. Installation difficulty: medium.

Replacement rotor ring set and hardware for the 034Motorsport 2-piece floating front brake rotor kit, BMW F8X M2/M3/M4. Installation effort: moderate.

Replacement rotor ring and hardware set for the 034Motorsport 2-piece floating front brake rotor kit, Audi B8/B8.5 S4/S5. Installation difficulty: moderate.