PAC Racing 1200 Series Triple Valve Spring - 687 lb/in Spring Rate - 1.130 in Coil Bind - 1.645 in OD - Drag Race RS004C0410 Fitted as standard with FHR/HANS

Fitted as standard with FHR/HANS posts

Large surface area pulls more air at low speeds

Configurable" High" and" Low" warnings using three on-instrument-face buttons

Each set includes the rear main bearing seals

PAC Racing 1200 Series Triple Valve Spring - 687 lb/in Spring Rate - 1.130 in Coil Bind - 1.645 in OD - Drag Race RS004C0410 Fitted as standard with FHR/HANSProduct Description: Valve Spring 1200 Series Triple Spring 687 lb in Spring Rate 1. 130 in Coil Bind 1. 645 in OD Drag Race Sold Individually PAC Racing Springs is part of the Race Winning Brands Family. With more than 100 years of spring manufacturing experience. We understand the demands of racing and provide a commitment to all of our customers to provide the best service possible. We continue to expand products and offer expanded onsite technical