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LC4 Performance Parts

Intakes, downpipes, custom PC6 maps and engine services for KTM 690, Husqvarna 701 and GasGas 700 — filter by your bike to see what fits.

Gen 3 fitment covers 2017–2025 bikes; new-generation parts cover 2026–2027 KTM 690 SMC R and Husqvarna 701.

3 products for Engine Services

Cylinder Head Porting (LC4)Engine Services

Cylinder Head Porting (LC4)

Cylinder-head porting for the LC4, quoted for your build.

From $450.00
Throttle Body Boring (LC4)Engine Services

Throttle Body Boring (LC4)

We bore the LC4 throttle body to a true 50 mm.

From $125.00
Engine Services: Big Bore, Stroker, Porting & Throttle Body BoringEngine Services

Engine Services: Big Bore, Stroker, Porting & Throttle Body Boring

Custom engine work from a builder with decades of experience: big-bore and stroker packages, porting and throttle-body boring.

Contact for Pricing