Quick view ARC Racing (2) Pack of GX240/GX390/Predator 420 Heavy Duty 50# Valve Springs 2 Pack of Heavy Duty Valve Springs for Honda GX240, GX270, GX340, & GX390.Approx 50 lbs at 1.125 installed height, 42lbs at 1.2, with 110 lb open pressure (.375 lift). $12.99 Add to Cart
Quick view ARC Racing GX390 Dual Valve Spring Set GX390 Dual Valve Spring SetGX390 Dual Valve Spring Set65lbs at 1.125" installed height. 60lbs at 1.2" installed height. $16.99 Add to Cart
Quick view ARC Racing GX390 Stainless Steel Retainer Set w/ Keepers GX390 Stainless Steel Retainer Set w/ Keepers $29.99 Add to Cart
Quick view ARC Racing GX390 Exhaust Valve Spring Retainer GX390 Exhaust Valve Spring Retainer $8.99 Add to Cart
Quick view ARC Racing GX390 Intake Valve Spring Retainer GX390 Intake Valve Spring Retainer $8.95 Add to Cart
