350 FSR Superfly Gas Ported (GP)

The ultimate light-weight piston for Late Model Stock two-barrel and similar applications up to 400 horsepower. FSR forging provides reduced skirt contact that lowers friction for optimum HP gains. Pistons feature a .190" deep intake valve pocket for maximum compression. The ring grooves are machined for .043, .043, 3mm back cut rings with lateral gas ports provided for superior ring seal.

Includes:

  • Pin #927-2350-15-51C (111g)
  • Wire lock #927-073-MW
  • Lateral gas ports
  • Double Pin Oilers
  • Accumulator Groove
  • Contact Reduction Grooves
  • Rated up to 400 horsepower
Part # Bore Stroke Rod Deck Head CC Comp. Ratio Comp. Height Crown Vol. Ring Set Head Type Series Stock Action
300252 4.030 3.500 5.700 9.000 76.0 9.4 1.550 -1.80 J71408-4030-5 Flat Top JE Pistons In stock
300252 4.030 3.500 5.700 9.000 64.0 10.8 1.550 -1.80 J71408-4030-5 Flat Top JE Pistons In stock
300252 4.030 3.500 5.700 9.000 58.0 11.6 1.550 -1.80 J71408-4030-5 Flat Top JE Pistons In stock
300245 4.030 3.500 6.250 9.000 76.0 9.4 1.000 -1.80 J71408-4030-5 Flat Top JE Pistons Back Order
300245 4.030 3.500 6.250 9.000 58.0 11.6 1.000 -1.80 J71408-4030-5 Flat Top JE Pistons Back Order
300245 4.030 3.500 6.250 9.000 64.0 10.8 1.000 -1.80 J71408-4030-5 Flat Top JE Pistons Back Order
300246 4.040 3.500 6.250 9.000 76.0 9.4 1.000 -1.80 J71408-4040-5 Flat Top JE Pistons Back Order
300246 4.040 3.500 6.250 9.000 58.0 11.6 1.000 -1.80 J71408-4040-5 Flat Top JE Pistons Back Order
300246 4.040 3.500 6.250 9.000 64.0 10.8 1.000 -1.80 J71408-4040-5 Flat Top JE Pistons Back Order
300251 4.040 3.500 6.000 9.000 76.0 9.4 1.250 -1.80 J71408-4040-5 Flat Top JE Pistons Back Order
300251 4.040 3.500 6.000 9.000 64.0 10.8 1.250 -1.80 J71408-4040-5 Flat Top JE Pistons Back Order
300251 4.040 3.500 6.000 9.000 58.0 11.6 1.250 -1.80 J71408-4040-5 Flat Top JE Pistons Back Order
300249 4.030 3.500 6.000 9.000 76.0 9.4 1.250 -1.80 J71408-4030-5 Flat Top JE Pistons Back Order
300249 4.030 3.500 6.000 9.000 64.0 10.8 1.250 -1.80 J71408-4030-5 Flat Top JE Pistons Back Order
300249 4.030 3.500 6.000 9.000 58.0 11.6 1.250 -1.80 J71408-4030-5 Flat Top JE Pistons Back Order
300250 4.035 3.500 6.000 9.000 76.0 9.4 1.250 -1.80 J71408-4030-5 Flat Top JE Pistons Back Order
300250 4.035 3.500 6.000 9.000 64.0 10.8 1.250 -1.80 J71408-4030-5 Flat Top JE Pistons Back Order
300250 4.035 3.500 6.000 9.000 58.0 11.6 1.250 -1.80 J71408-4030-5 Flat Top JE Pistons Back Order
300254 4.040 3.500 5.700 9.000 76.0 9.4 1.550 -1.80 J71408-4040-5 Flat Top JE Pistons Back Order
300254 4.040 3.500 5.700 9.000 64.0 10.8 1.550 -1.80 J71408-4040-5 Flat Top JE Pistons Back Order
300254 4.040 3.500 5.700 9.000 58.0 11.6 1.550 -1.80 J71408-4040-5 Flat Top JE Pistons Back Order
300248 4.040 3.500 6.125 9.000 76.0 9.4 1.125 -1.80 J71408-4040-5 Flat Top JE Pistons Back Order
300248 4.040 3.500 6.125 9.000 64.0 10.8 1.125 -1.80 J71408-4040-5 Flat Top JE Pistons Back Order
300248 4.040 3.500 6.125 9.000 58.0 11.6 1.125 -1.80 J71408-4040-5 Flat Top JE Pistons Back Order
300247 4.030 3.500 6.125 9.000 76.0 9.4 1.125 -1.80 J71408-4030-5 Flat Top JE Pistons Back Order
300247 4.030 3.500 6.125 9.000 64.0 10.8 1.125 -1.80 J71408-4030-5 Flat Top JE Pistons Back Order
300247 4.030 3.500 6.125 9.000 58.0 11.6 1.125 -1.80 J71408-4030-5 Flat Top JE Pistons Back Order
300253 4.035 3.500 5.700 9.000 76.0 9.4 1.550 0.00 J71408-4030-5 Flat Top JE Pistons Back Order
300253 4.035 3.500 5.700 9.000 64.0 10.8 1.550 0.00 J71408-4030-5 Flat Top JE Pistons Back Order
300253 4.035 3.500 5.700 9.000 58.0 11.6 1.550 0.00 J71408-4030-5 Flat Top JE Pistons Back Order