KB Hypereutectic Flat Top Piston Set - SB Chevy 283-400 - Bore Size: 4.040", Stroke: 3.750", Rod Length: 6.00" External Bump Stop Kit 5 approved titanium Nomex ®

5 approved titanium Nomex ® ®and racing suit

Pro Stock I

backed by a 3-year limited warranty

The Edelbrock #1902 AV2 Series 500 cfm Carburetor is designed and calibrated for small cubic-inch single carb applications

Disc surfaces doubled for better wear

KB Hypereutectic Flat Top Piston Set - SB Chevy 283-400 - Bore Size: 4.040", Stroke: 3.750", Rod Length: 6.00" External Bump Stop Kit 5 approved titanium Nomex ®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 combustionchambers, 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