KB Hypereutectic Flat Top Piston Set - SB Ford 289-351W - Bore Size: 4.030", Stroke: 3.400", Rod Length: 5.400" 1127803 5" (64 mm)

5" (64 mm)

3/8 or 7/16 in Bolts

3 in Round to 3-1/2 x 2-1/8 in Oval

use Hedman's 88660 header series) These headers fit Manual or C4 (only) transmission equipped vehicles

Holley Dominator EFI Billet Fuel Pressure Regulator 12-848 40-70 PSI - -10AN O-Ring Inlet/Outlet - -8AN O-Ring Return - EFI Bypass Style - Black/Clear Anodized

KB Hypereutectic Flat Top Piston Set - SB Ford 289-351W - Bore Size: 4.030", Stroke: 3.400", Rod Length: 5.400" 1127803 5" (64 mm)Keith Black pistons have several important advantages over conventional alloy pistons. High silicon content yields superior thermal and wear characteristics, greater strength, scuff and seizure protection, and resistance to cracking. High silicon content also keeps heat in the combustion chambers, eliminating heat transfer and improving combustion. Pistons are machined for 5 64" top, 5 64" second and 3 16" oil ring unless noted. Sold in sets of eight