Brian Crower Honda/Acura B18A/B18B/B20B Dual Spring & Steel Retainer Kit YMM_2017_2026_Porsche_718_Boxster Made from authentic 2x2 carbon

Made from authentic 2x2 carbon fiber weave

Engineered to support increased horsepower and torque

Part #: SPL ELC E9X

and installation instructions to assist with proper fitting and secure attachment

2014 BMW 428i/430i Gran Coupe AWD (w/o EDC)

Brian Crower Honda/Acura B18A/B18B/B20B Dual Spring & Steel Retainer Kit YMM_2017_2026_Porsche_718_Boxster Made from authentic 2x2 carbonThe Brian Crower Dual Spring and Retainer Kit is a high performance upgrade designed specifically for Honda and Acura B series engines, including B18A, B18B, and B20B models from 1990 to 2005. Crafted with precision and durability, this kit enhances valve train stability by supporting higher RPM ranges and aggressive camshaft profiles. The dual spring setup reduces valve float and improves overall engine reliability during high stress conditions,