Crankcase Pressure Regulator - Large

Hi! I'm Clara from SIGNAL. 👋👋
I'm hyped to share our "Large Crankcase Pressure Regulator" with you!
Perfect for 300cc-class riders and highly modified scooters—this is the upgrade you've been waiting for! 😆
Experience the Difference:

• Instant Throttle Response: Say goodbye to engine braking jerkiness. Enjoy a smoother, more linear power delivery. ✅
• Effortless Acceleration: Reduces piston running resistance, making the throttle feel lighter and more responsive than ever. ✅
• Extended Gliding Distance: Significantly longer coasting range after releasing the throttle. ✅

Not sure which size fits your build? Whether you're deciding between Large or Small, or have specific engine modifications, we've got your back! Feel free to message us via LINE for a personalized consultation or check out our Discovery Guide for more technical insights. 🫶

Compatible with ≤ 300cc Motorcycles & Scooters

If your bike has other modifications, please Message our Team on LINE . We will help you find the perfect specification for you.

Package Contents: 

• Crankcase Pressure Regulator (Large) x1
• [Bonus] Dual-Layer Vacuum Hose (50cm) x1
• [Bonus] PRO Kit x1
• ❌ Installation tools are NOT included. Please prepare your own!

From now until December 31, 2026, enjoy free shipping on orders within Taiwan!

For international shipping, please contact us.

Convenience Stores: 7-ELEVEN & FamilyMart $70 shipping fee for orders under $999. / Hi-Life $60 shipping fee for orders under $999.

Home Delivery: HCT Logistics (新竹物流) $150 shipping fee for orders under $1,999.

Payment Options

Credit Cards: VISA, MasterCard, JCB, UnionPay.

Bank Transfer / ATM

Mobile Payments: LINE Pay, Apple Pay, Google Pay.

Credit Card Installment Plans: 3–24 installments  Available for orders over $1,260; rates vary by term.

AFTEE (Cardless): Installments available for orders over $1,260; rates vary by term.