Kibblewhite Valve Spring Kit for Honda, 0.440 in. Intake Lift / 0.405 in. Exhaust Lift (30-32800)

The Kibblewhite 30-32800 Valve Spring Kit is designed for Honda performance applications using boosted or turbocharged engines. It provides the increased spring rates and high-lift compatibility needed for demanding valvetrain setups, making it a suitable upgrade over stock valve springs when paired with a high-performance camshaft. This kit helps support reliable valve control across a broader operating range and is engineered for enthusiasts and builders seeking improved performance under elevated engine loads.
The kit includes CNC-machined titanium or heat-treated steel retainers and chromium-silicon alloy dual valve springs. This combination is designed to maintain consistent valvetrain control at high engine speeds while helping accommodate increased camshaft lift. The dual-spring configuration provides the stability required for high-rpm operation, while the precision-machined retainers support proper spring installation and dependable component alignment.
Kibblewhite part number 30-32800 is made in the USA and is engineered for compatible Honda applications. Verify engine fitment, camshaft specifications, installed height, and required valve lift before installation to ensure proper clearance and spring pressure. This valve spring kit is intended for performance-focused builds where dependable high-rpm control and compatibility with boosted or turbocharged operation are essential.

Features:

• Application: Compatible with boosted or turbocharged Honda applications

• Performance: Provides increased spring rates compared with stock valve springs

• Lift Compatibility: Supports high-lift camshaft applications with 0.440 in. intake lift and 0.405 in. exhaust lift

• Retainers: Includes CNC-machined titanium or heat-treated steel retainers

• Springs: Uses chromium-silicon alloy dual valve springs

• Valvetrain Control: Designed to maintain control at high engine speeds

• Manufacturing: Made in the USA

Ships from Parts Unlimited.