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Buying guides, maintenance tips, and racing know-how from the MySpeedParts team.
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crankshaftjet up
What Is a "Jet Up" Crankshaft? Stroke, Displacement, and Malaysian Brand Options
"JET 4MM", "JET 8MM", "JET 10" — Malaysian racing crankshaft listings all use this naming, but what does the number mean, and what does jetting up actually change in the engine?
MySpeedParts Team·6 Sept 2026

HPSP Racingbrand spotlight
HPSP Racing: Introduction, Reputation & What's Hot Right Now
A look at HPSP Racing — the Malaysian underbone performance-parts brand behind those chambered exhausts and racing crankshafts all over Y15ZR and LC135 TikTok — plus where to buy genuine stock.
MySpeedParts Team·4 Sept 2026
