Integra Rear Coil Spring - 5.0" O.D. x 16" Tall - 175 lb. 21300MR-O Solid state

Solid state

Fittings fit in a 5/8" hole and are sold in a pack of 20

200 Air Intake fits Bell Star

Points or module triggered Built-in adjustable rev limiter in 100 RPM increments from 3100-9900 RPM Inductive ignition with long duration spark Low cost boost retard (with optional MAP sensor) or 0-20° selectable nitrous retard

AN-08 / 1/8-NPT FittingAeromotive Inc

Integra Rear Coil Spring - 5.0" O.D. x 16" Tall - 175 lb. 21300MR-O Solid stateFrom 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%