KB Hypereutectic Dished Piston Set - SB Chevy 283-400 - Bore Size: 4.030", Stroke: 3.480", Rod Length: 5.700" H760C39 Magnesium bases are powdercoated for

Magnesium bases are powdercoated for corrosion resistance

25" Aluminuminized U-Bend Pipe 6" Radius 16 Gauge 42394

110 Series jackets have a heavy-duty

and smaller competition engines

Fits Arai: GP-6

KB Hypereutectic Dished Piston Set - SB Chevy 283-400 - Bore Size: 4.030", Stroke: 3.480", Rod Length: 5.700" H760C39 Magnesium bases are powdercoated forKeith 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