Integra Front Coil Spring - 5.5" O.D. x 9.5" Tall - 700 lb. H778C31XXL The 60 series incorporates Flowmaster's

The 60 series incorporates Flowmaster's patented Delta Flow technology to produce a mellow tone

and Air Plugs in Three Adjustable Inlets on Top and Both Sides of chin bar for the most adjustable Air Flow in the market

W/4 Bolts in Lifter Valley

ΓÇó Works with both truck and car LT intake bolt patterns

Integra Front Coil Spring - 5.5" O.D. x 9.5" Tall - 700 lb. H778C31XXL The 60 series incorporates Flowmaster'sFrom durability tested premium wire materials to specifically designed procedures which guarantee precision manufacturing. Integra Springs provide you a well engineered durable spring that ensures your springs will be there before and after the race. Integra coils are guaranteed to remain within 2% of original free height for as long as you own them. Features: Black powder coated Rate etched into end of spring Integra coils are guaranteed to remain 2%