Royal Purple Duralec Ultra 15W40 Synthetic Motor Oil - 1 Gallon (Case of 3) GBDROY2X yet not too harsh shift

yet not too harsh shift in the vehicle while remaining fully automatic

25 in Length x 7

HEI coil end is Male type

Pontiac: Grand Am 73 - 74 7

Royal Purple Duralec Ultra 15W40 Synthetic Motor Oil - 1 Gallon (Case of 3) GBDROY2X yet not too harsh shiftProduct Description: Motor Oil Duralec Ultra 15W40 Synthetic 1 gal Jug Set of 3 Royal Purple was founded in 1986, but its roots go back much further. Royal Purple Motor Oil increases horsepower and torque. Royal Purple XPR Extreme Performance and Royal Purple XPR Racing oils are formulated for ultra performance applications such as racing, modified engines and off road use. Professional engine builders and race teams have cited increased horsepower