Piston Selection Keith Black Forged or Speed Pro Forged

[HRTATK1]

I was wondering which of the attached pistons or the ones listed below, FE FORUM users would recommend?

I was leaning toward the Keith Black because they are ~147 grams lighter than the speed pro and have the modern style ring grooves as well as a half point higher compression.

Any suggstions greatly appreciated.
Thanks, Josh


Brand Keith Black/KB Pistons
Manufacturer Part Number KB862-060
Part Type Pistons
Product Line Keith Black Forged Pistons
Price $499.00

Description Pistons, Forged, Flat, 4.110 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring, Ford, Big Block FE, Set of 8
Bore (in) 4.110 in.
Bore (mm) 104.394mm
Compression Distance (in) 1.770 in.
Dome Height (in) -
Notes -
Pin Diameter (in) 0.975 in.
Piston Head Volume (cc) +5.00cc
Piston Material Forged aluminum
Piston Ring Thickness 1/16 in. x 1/16 in. x 3/16 in.
Piston Style Flat top, with a trough
Quantity Sold as a set of 8.
Wrist Pin Style Press-fit or floating
Piston Weight 554
Wrist Pin Weight 135
Piston + Pin Weight 689


Brand Speed Pro
Manufacturer Part Number ZL2291F60
Part Type Pistons
Product Line Speed-Pro Power Forged Pistons
Price $335.60

Description Piston, Forged, Flat, 4.110 in. Bore, 5/64 in., 3/32 in., 3/16 in. Ring, Big Block Ford FE, Each
Bore (in) 4.110 in.
Bore (mm) 104.394mm
Compression Distance (in) 1.776 in.
Dome Height (in) -
Notes DurOshield® coated piston skirt.
Pin Diameter (in) 0.975 in.
Piston Head Volume (cc) +10.00cc
Piston Material Forged aluminum
Piston Ring Thickness 5/64 in. x 3/32 in. x 3/16 in.
Piston Style Flat top, with four valve reliefs
Quantity Sold individually.
Wrist Pin Style Press-fit or floating
Piston Weight 685
Wrist Pin Weight 149-153
Piston + Pin Weight 834-838