SRP Forged Flat Top Piston Set - SB Ford - 4.030" Bore, 3.400" Stroke, 5.400" Rod Length 355002 They fit the valve stems

They fit the valve stems well and can be removed with relative ease because of a tiny hole to relieve the suction created when removing the lash cap

This keeps the tires planted firmly on the ground for improved traction and a more predictable

and Instructions

It is recommended to use a Holley 12-753 30 Amp Fuel Pump Relay along with a minimum size of 12 Gauge wire for your installation

Will not accept stock Motorcraft spread-bore carburetor or fit heavy-duty 361 & 391 c

SRP Forged Flat Top Piston Set - SB Ford - 4.030" Bore, 3.400" Stroke, 5.400" Rod Length 355002 They fit the valve stemsSRP pistons, manufactured by JE, are "making performance affordable". SRP specific designed forgings eliminate several phases of the manufacturing process, saving time and cutting costs with high volume production. All pistons are machined to accept 1 16" top, 1 16" second and 3 16" oil rings. Sold in sets of eight, with wrist pins and double Spiro Locks. SRP pistons are designed and manufactured using the same knowledge, expertise, and quality