87 318. Roller cam or not

If this 318 motor is original to the truck, Its probably has a Flat-Tappet cam installed. But the block will have the provisions for installing a Roller.

Trucks were late in switching over to Roller setups.

If it was a car motor, definitely roller.

Have a 86 Ramcharger factory 318, all original... Was a Flat tappet when I opened it up. But the block has the provisions for roller.