If you’re seeking to enhance your 4WD’s performance, gain greater peace of mind, and desire increased longevity and satisfaction from your driving experience, a valve body upgrade is the perfect solution. Whether it’s for better handling on tough terrains or simply to extend the life of your vehicle, investing in this performance upgrade will give you the driving experience you desire.
It’s easy to take your 4WD’s transmission performance to the ‘next level’ with one of RHA Pro’s ultimate Valve Body Upgrades.
This precision re-calibration optimises the hydraulic system for fast, crisp shifts and supreme durability – exactly what you need for conquering off-road trails and towing challenges.
As engine performance mods alter the torque curve, they can negatively impact transmission behaviour and shift quality. The valve body upgrade re-establishes that rock-solid feeling by harmonising transmission operation with your engine’s new output characteristics.
Increased hydraulic pressure and volume allow the clutch packs to engage faster with higher clamping force, translating to shorter shift times with significantly less slippage when swapping gears under load.
You’ll feel a direct, responsive experience behind the wheel. With minimised clutch slippage during gear changes, internal transmission components experience far less heat and wear, maximising the service life of your entire clutch system.
Optimised cooler flow circuits provide enhanced heat dissipation to keep transmission temps in the ideal operating range, even when pushing performance to the limit off-road or towing on steep grades.
And the precisely recalibrated hydraulics give you enhanced control on downhill stretches, allowing just the right amount of engine braking without overwhelming the transmission.
Upgrade offers faster, crisper shifts and superior durability for off-road and towing.
Optimised hydraulic system ensures quicker engagement with higher clamping force, reducing shift times and slippage under load.
Direct and responsive driving experience with minimised heat and wear on clutch components.
Enhanced cooler flow circuits maintain ideal transmission temperatures during demanding conditions.
Harmonises transmission operation with engine performance mods for consistent shift quality.
Confidence in a heavy-duty, high-performance transmission tailored to your needs.
Ron Hill is the most trusted transmission reconditioning, repair, and upgrade service specialists not just on the Sunshine Coast but arguably in Queensland.
Ron Hill is the most trusted transmission reconditioning, repair, and upgrade service specialists not just on the Sunshine Coast but arguably in Queensland.
With 50 years of specialist experience, Ron Hill Automatics is one of Australia’s most trusted names in automatic transmission services. RHA focuses exclusively on automatic transmissions—delivering precision, reliability, and deep technical know-how. Our team consists of qualified tradespeople and apprentices on the path to certification, many of whom have been with RHA for decades. This depth of experience ensures every repair or reconditioning meets the highest industry standards. Based on the Sunshine Coast and servicing all of Australia, Ron Hill Automatics is your one-stop shop for diagnostics, repairs, performance upgrades, and fast, efficient turnaround times backed by decades of proven expertise.
Contact information:
(07) 5443 4444
44 Kayleigh Drive, Buderim QLD 4556
Operating hours:
Monday to Thursday 7.00am – 4.30pm
Friday 7.00am – 12.00pm
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