As ordered the Pistons, Rings, Rod and Main Bearings will be Standard Sized.
At NO Additional Cost We have the following options, please specify what you want in the "Note to Seller" when ordering:
Lunati BareBones SBC Hydraulic Flat Tappet Cam Specs:
Hydraulic Flat Tappet. Noticable idle, great mid range and upper RPM power. Great for street performance or mild bracket racing.
*Picture May be General, not exact*