Landrum 10.5" Gold Coil Rear Spring - 5" O.D. - 225 lb. Diffuser this cc kit gives you

this cc kit gives you the ability to measure cylinder head combustion chamber volume for an economical price

Fit 1967-1981 Chevrolet Camaro/Pontiac Firebird

Box of 250

50 ft Long

DiamondFire plugs create more power while using less fuel (brake specific fuel consumption) than any other design

Landrum 10.5" Gold Coil Rear Spring - 5" O.D. - 225 lb. Diffuser this cc kit gives youAll rear springs are closed and ground on both ends which insures proper contact with the jack plate and spring seat. Consistent Performance and Reliability Landrum Performance Springs give you the consistent high performance and reliability you need. We use state of the art designs, materials, and manufacturing processes to produce race springs that out perform the competition and help put you in victory lane. Lightweight, High Travel and Durable