James, o-ring intake manifold / solenoid - Intake: 57-78 XL; 55-E78 FL, FX (NU). Solenoid: 83-E84 FL; L84-86 FX; 80-84 FXB, FXSB; 80-88 5-sp B.T. (NU). 568302 This is done with ultra-precision

This is done with ultra-precision diamond tools using a special ´flycutting´ procedure after which it is made corrosion and scratch resistant by a special vacuum plasma coating process

Available with either a standard or heavy duty progressive spring rates

585" valve lift

These XXX wires feature a construction of silicon throughout the jacket

James, o-ring intake manifold / solenoid - Intake: 57-78 XL; 55-E78 FL, FX (NU). Solenoid: 83-E84 FL; L84-86 FX; 80-84 FXB, FXSB; 80-88 5-sp B.T. (NU). 568302 This is done with ultra-precisionNitrile rubber. Used between the manifold and cylinder head or for the starter solenoid. OEM replacement reference 27060 55.