H&R 2.50" I.D. Race Springs Lightweight 54SiCr6 Steel High Travel

H&R 2.50" I.D. Race Springs — Lightweight 54SiCr6 Steel, High Travel Engineered in Germany for motorsport and high-performance road use, H&R 2.50" I.D. Race Springs combine advanced materials and precision manufacturing to deliver reduced weight, increased travel and consistent, repeatable performance. Material: Special lightweight (hf) 54SiCr6 high-tensile spring steel Benefits: ~15% lighter and ~10% more travel vs. comparable springs Wire design: High-tensile round wire for main springs; trapezoidal (flat) wire for tender springs to maximize travel and reduce block height Lengths & rates: Main springs range from 6"–18" (80mm–300mm for 60mm I.D. program). Spring rates available from 25 N to 700 N for the 60mm line Pre-blocked: Factory pre-blocked to prevent setting or sagging under demanding conditions Designed for track-focused setups and precision tuning, H&R race springs offer a broad catalog of main and tender springs to suit Porsche GT3, Euro-spec performance cars and a wide range of race applications. Choose H&R when you need lighter unsprung mass, more usable travel and reliable behavior lap after lap.