Review on Valve Spring Compatible Chevrolet 5 7L by Ryan Thrasher

Spring pressure was below published specs. Closed measured 110-115 at 1,700" vs. stressed 118 measured at 1,710 open 290-305 at 1210 vs 318 at 1210 The shock was loose enough to fall on 3 of the 16 springs Will they perform better than the original springs they replaced Yes unless they lose those quickly Excitement Will I buy it again? No Am I dissatisfied enough to return it? No