QA1 High Travel Coil-Over Spring - 2-1/2" I.D. x 10" Tall - 500 lb. RU003003XL 2003-2006 GMC Savana 1500

2003-2006 GMC Savana 1500

Straight stemmed XH-424 stainless exhaust valves and NK-841 stainless intake valves have chrome stems

Bert Second Generation Transmissions

9 wideband to relay AFR information to the ECU for accurate reading and precise tuning control

QA1 High Travel Coil-Over Spring - 2-1/2" I.D. x 10" Tall - 500 lb. RU003003XL 2003-2006 GMC Savana 1500Powder Coated, Chrome Appearing Silicon Manganese SteelAll QA1 springs are manufactured using the highest quality chrome silicone. This material offers high strength, consistency and longer life. Cold Wound Heat Treated Shot PeenedAll QA1 springs go through intensive manufacturing processes to ensure consistency, accuracy and durability. Squared EndsAll QA1 springs are ground at both ends to ensure straight, consistent and accurate operation.