Kelford KVS63-BTK Performance Beehive Valve Springs & Titanium Retainers - Mitsubishi Lancer Evolution I-IX / 4G63 MIVEC

Kelford KVS63-BTK Performance Beehive Valve Springs & Titanium Retainers - Mitsubishi Lancer Evolution I-IX / 4G63 MIVEC

RM2,500.00 MYR
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Kelford KVS63-BTK Performance Beehive Valve Springs & Titanium Retainers - Mitsubishi Lancer Evolution I-IX / 4G63 MIVEC

Item: Performance Beehive Valve Spring & Titanium Retainer Kit
SKU: KVS63-BTK
Brand: Kelford Cams
Engine Compatibility: Mitsubishi 4G63T DOHC 16V Turbo (All generations including MIVEC)
Vehicle Fitment: Lancer Evolution I / II / III / IV / V / VI / VII / VIII / IX (Evo 1-9), Galant VR-4, Eclipse DSM (1G / 2G)
Spring Style: Beehive (Conical Valve Spring Design)
Retainer Material: Ultra-Lightweight Titanium
Seat Pressure (Intake): 115lb @ 35.5mm Installed Height
Open Pressure (Intake): 245lb @ 12.0mm Valve Lift
Seat Pressure (Exhaust): 120lb @ 35.0mm Installed Height
Open Pressure (Exhaust): 254lb @ 12.0mm Valve Lift
Coil Bind Height: 22.0mm
Maximum Valve Lift: 13.0mm
RPM Rating: Rated up to 9,500 RPM (Depending on Camshaft Profile & Valvetrain Weight)
Kit Contents: 16x Beehive Valve Springs, 16x Titanium Retainers, 16x Hardened Steel Base Locators
MIVEC Compatibility Note: Fully compatible with the Evo 9 MIVEC cylinder head configuration. Recommended by Kelford as the mandatory spring upgrade when running 9-TX272R and 9-TX280R high-lift camshaft profiles.

Kelford KVS63-BTK Performance Beehive Valve Springs & Titanium Retainers - Mitsubishi Lancer Evolution I-IX / 4G63 MIVEC

RM2,500.00 MYR
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Eliminate engine-damaging valve float at high RPMs by swapping your factory valvetrain out for this high-stress beehive valve spring kit. Purpose-built to handle aggressive aftermarket camshaft lift profiles like the Kelford 1-TX, 4-TX, 8-TX, and 9-TX MIVEC performance series, these springs provide the necessary seat pressure to manage extreme boost levels up to a screaming 9,500 RPM threshold. They serve as a vital hardware insurance policy for built track setups, drag cars, and high-horsepower street builds pushing past stock limits.
Lighten your valvetrain moving mass significantly using the included precision-engineered titanium retainers to improve overall throttle responsiveness and high-frequency valve stability. By shedding critical moving weight directly from the cylinder head assembly, this kit prevents destructive spring surge and harmonic vibration under heavy load conditions. The premium compound architecture ensures ultimate structural resistance against severe thermal fatigue, making it perfect for sustained racing workloads ranging from 450 to over 850+ horsepower. 
Deploy a complete high-performance valvetrain refresh engineered directly for a precise fit across both standard and variable valve timing (MIVEC) turbo 16-valve cylinder head layouts. Unlike basic drop-in configurations that force you to retain heavy stock steel hardware, this comprehensive bundle upgrades the entire top section of your assembly simultaneously. Every kit comes entirely complete with premium beehive springs, ultra-strong titanium retainers, and high-durability hardened steel seats to ensure total reliability during severe racing use. 

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