350 FSR Tour Series Gas Ported (GP)

The FSR Tour Series GP is a lightweight design specifically made for naturally aspirated circle track or drag race applications up to 650 HP. Ring package has been raised for maximum efficiency. These pistons are an aggressive, competition-only design. Not intended for street or nitrous use. Ring grooves are precision machined for .043, .043, 3.0mm rings. Valve reliefs will accommodate angle-milled aftermarket cylinder heads.

Includes:

  • Pin# 927-2350-15-51C (111g)
  • Wire Locks 927-073-MW
  • Lateral Gas Ports
  • Accumulator Groove
  • Double Pin Oilers
Part # Bore Stroke Rod Deck Head CC Comp. Ratio Comp. Height Crown Vol. Ring Set Head Type Series Stock Action
258031 4.045 3.500 6.000 9.000 58.0 11.3 1.250 -5.00 J71408-4040-5 Flat Top JE Pistons In stock
258031 4.045 3.500 6.000 9.000 64.0 10.5 1.250 -5.00 J71408-4040-5 Flat Top JE Pistons In stock
258031 4.045 3.500 6.000 9.000 76.0 9.6 1.250 -5.00 J71408-4040-5 Flat Top JE Pistons In stock
281848 4.030 3.500 6.125 9.000 58.0 11.2 1.125 -4.10 J71408-4030-5 Flat Top JE Pistons Back Order
281848 4.030 3.500 6.125 9.000 76.0 9.5 1.125 -4.10 J71408-4030-5 Flat Top JE Pistons Back Order
281848 4.030 3.500 6.125 9.000 64.0 10.4 1.125 -4.10 J71408-4030-5 Flat Top JE Pistons Back Order
257797 4.030 3.500 5.700 9.000 76.0 9.5 1.550 -4.10 J71408-4030-5 Flat Top JE Pistons In stock
257797 4.030 3.500 5.700 9.000 58.0 11.2 1.550 -4.10 J71408-4030-5 Flat Top JE Pistons In stock
257797 4.030 3.500 5.700 9.000 64.0 10.4 1.550 -4.10 J71408-4030-5 Flat Top JE Pistons In stock
258028 4.030 3.500 6.000 9.000 64.0 10.4 1.250 -4.10 J71408-4030-5 Flat Top JE Pistons In stock
258028 4.030 3.500 6.000 9.000 76.0 9.5 1.250 -4.10 J71408-4030-5 Flat Top JE Pistons In stock
258028 4.030 3.500 6.000 9.000 58.0 11.2 1.250 -4.10 J71408-4030-5 Flat Top JE Pistons In stock
258025 4.035 3.500 5.700 9.000 76.0 9.5 1.550 -4.10 J71408-4030-5 Flat Top JE Pistons Back Order
258025 4.035 3.500 5.700 9.000 58.0 11.2 1.550 -4.10 J71408-4030-5 Flat Top JE Pistons Back Order
258025 4.035 3.500 5.700 9.000 64.0 10.4 1.550 -4.10 J71408-4030-5 Flat Top JE Pistons Back Order
281852 4.045 3.500 6.125 9.000 58.0 11.2 1.125 -4.10 J71408-4040-5 Flat Top JE Pistons Back Order
281852 4.045 3.500 6.125 9.000 76.0 9.5 1.125 -4.10 J71408-4040-5 Flat Top JE Pistons Back Order
281852 4.045 3.500 6.125 9.000 64.0 10.4 1.125 -4.10 J71408-4040-5 Flat Top JE Pistons Back Order
281853 4.030 3.500 6.250 9.000 64.0 10.4 1.000 -4.10 J71408-4030-5 Flat Top JE Pistons Back Order
281853 4.030 3.500 6.250 9.000 58.0 11.2 1.000 -4.10 J71408-4030-5 Flat Top JE Pistons Back Order
281853 4.030 3.500 6.250 9.000 76.0 9.5 1.000 -4.10 J71408-4030-5 Flat Top JE Pistons Back Order
281851 4.040 3.500 6.125 9.000 58.0 11.2 1.125 -4.10 J71408-4040-5 Flat Top JE Pistons Back Order
281851 4.040 3.500 6.125 9.000 76.0 9.5 1.125 -4.10 J71408-4040-5 Flat Top JE Pistons Back Order
281851 4.040 3.500 6.125 9.000 64.0 10.4 1.125 -4.10 J71408-4040-5 Flat Top JE Pistons Back Order
281855 4.040 3.500 6.250 9.000 64.0 10.4 1.000 -4.10 J71408-4040-5 Flat Top JE Pistons Back Order
281855 4.040 3.500 6.250 9.000 58.0 11.2 1.000 -4.10 J71408-4040-5 Flat Top JE Pistons Back Order
281855 4.040 3.500 6.250 9.000 76.0 9.5 1.000 -4.10 J71408-4040-5 Flat Top JE Pistons Back Order
258030 4.040 3.500 6.000 9.000 64.0 10.4 1.250 -5.00 J71408-4040-5 Flat Top JE Pistons In stock
258030 4.040 3.500 6.000 9.000 76.0 9.5 1.250 -5.00 J71408-4040-5 Flat Top JE Pistons In stock
258030 4.040 3.500 6.000 9.000 58.0 11.2 1.250 -5.00 J71408-4040-5 Flat Top JE Pistons In stock
281849 4.035 3.500 6.125 9.000 58.0 11.2 1.125 -4.10 J71408-4030-5 Flat Top JE Pistons Back Order
281849 4.035 3.500 6.125 9.000 76.0 9.5 1.125 -4.10 J71408-4030-5 Flat Top JE Pistons Back Order
281849 4.035 3.500 6.125 9.000 64.0 10.4 1.125 -4.10 J71408-4030-5 Flat Top JE Pistons Back Order
258026 4.040 3.500 5.700 9.000 76.0 9.5 1.550 -4.10 J71408-4040-5 Flat Top JE Pistons Back Order
258026 4.040 3.500 5.700 9.000 58.0 11.2 1.550 -4.10 J71408-4040-5 Flat Top JE Pistons Back Order
258026 4.040 3.500 5.700 9.000 64.0 10.4 1.550 -4.10 J71408-4040-5 Flat Top JE Pistons Back Order
258029 4.035 3.500 6.000 9.000 64.0 10.4 1.250 -4.10 J71408-4030-5 Flat Top JE Pistons In stock
258029 4.035 3.500 6.000 9.000 76.0 9.5 1.250 -4.10 J71408-4030-5 Flat Top JE Pistons In stock
258029 4.035 3.500 6.000 9.000 58.0 11.2 1.250 -4.10 J71408-4030-5 Flat Top JE Pistons In stock
258027 4.045 3.500 5.700 9.000 76.0 9.5 1.550 -4.10 J71408-4040-5 Flat Top JE Pistons In stock
258027 4.045 3.500 5.700 9.000 58.0 11.2 1.550 -4.10 J71408-4040-5 Flat Top JE Pistons In stock
258027 4.045 3.500 5.700 9.000 64.0 10.4 1.550 -4.10 J71408-4040-5 Flat Top JE Pistons In stock
281856 4.045 3.500 6.250 9.000 64.0 10.5 1.000 -4.10 J71408-4040-5 Flat Top JE Pistons Back Order
281856 4.045 3.500 6.250 9.000 76.0 9.6 1.000 -4.10 J71408-4040-5 Flat Top JE Pistons Back Order
281856 4.045 3.500 6.250 9.000 58.0 11.3 1.000 -4.10 J71408-4040-5 Flat Top JE Pistons Back Order
281854 4.035 3.500 6.250 9.000 64.0 10.4 1.000 -4.10 J71408-4030-5 Flat Top JE Pistons Back Order
281854 4.035 3.500 6.250 9.000 58.0 11.2 1.000 -4.10 J71408-4030-5 Flat Top JE Pistons Back Order
281854 4.035 3.500 6.250 9.000 76.0 9.5 1.000 -4.10 J71408-4030-5 Flat Top JE Pistons Back Order