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You are here: Home > Pistons > ROSS Racing Pistons > Chevrolet > Chevrolet - 400 Small Block > Flat Top
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18 Degree Flat Top Heavy Duty Flat Top SP Forging Flat Top


Flat top pistons in a 400 Chevrolet engine will generally provide compression ratios in the 11.5:1 range which makes them a good option for engines with aluminum heads and larger than stock camshafts. Valve reliefs are configured to work with most types of standard and aluminum cylinder heads and will normally fit camshafts to well over .600 valve lift. 18 degree pistons are also available, and will work fine with 23 degree cylinder heads.

Please select your piston from the list below, or select from the categories listed above.

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Ross Flat Top Forged Pistons
ROSS Forged Pistons_Chevrolet 400_Light Nitrous Flat Top_1.000 C/H_4.125 Bore_ -6.0cc_18° Head
Price $845.00

P/N: RSS-OTS-99466
Ships directly from Supplier
  • 18° Cylinder Head
  • 1.000 Compression Height
  • 4.000 Stroke
  • 6.000 Rod Length
  • .927 Wrist Pin Diameter
  • 1/16 1/16 3/16 Ring Grooves
  • Nitrous - 250 H/P
  • Forced Induction - 8 lbs
Price includes Pistons, Pins, Locks and Oil Rail Supports (as required) more info
Ross Flat Top Forged Pistons
ROSS Forged Pistons_Chevrolet 400_Light Nitrous Flat Top_1.000 C/H_4.130 Bore_ -6.0cc_18° Head
Price $845.00

P/N: RSS-OTS-99468
Ships directly from Supplier
  • 18° Cylinder Head
  • 1.000 Compression Height
  • 4.000 Stroke
  • 6.000 Rod Length
  • .927 Wrist Pin Diameter
  • 1/16 1/16 3/16 Ring Grooves
  • Nitrous - 250 H/P
  • Forced Induction - 8 lbs
Price includes Pistons, Pins, Locks and Oil Rail Supports (as required) more info
Ross Flat Top Forged Pistons
ROSS Forged Pistons_Chevrolet 400_Light Nitrous Flat Top_1.000 C/H_4.145 Bore_ -6.0cc_18° Head
Price $845.00

P/N: RSS-OTS-99471
Ships directly from Supplier
  • 18° Cylinder Head
  • 1.000 Compression Height
  • 4.000 Stroke
  • 6.000 Rod Length
  • .927 Wrist Pin Diameter
  • 1/16 1/16 3/16 Ring Grooves
  • Nitrous - 250 H/P
  • Forced Induction - 8 lbs
Price includes Pistons, Pins, Locks and Oil Rail Supports (as required) more info
Ross Flat Top Forged Pistons
ROSS Forged Pistons_Chevrolet 400_Light Nitrous Flat Top_1.000 C/H_4.155 Bore_ -6.0cc_18° Head
Price $845.00

P/N: RSS-OTS-99474
Ships directly from Supplier
  • 18° Cylinder Head
  • 1.000 Compression Height
  • 4.000 Stroke
  • 6.000 Rod Length
  • .927 Wrist Pin Diameter
  • 1/16 1/16 3/16 Ring Grooves
  • Nitrous - 250 H/P
  • Forced Induction - 8 lbs
Price includes Pistons, Pins, Locks and Oil Rail Supports (as required) more info
Ross Flat Top Forged Pistons
ROSS Forged Pistons_Chevrolet 400_Light Nitrous Flat Top_1.000 C/H_4.165 Bore_ -6.0cc_18° Head
Price $845.00

P/N: RSS-OTS-99477
Ships directly from Supplier
  • 18° Cylinder Head
  • 1.000 Compression Height
  • 4.000 Stroke
  • 6.000 Rod Length
  • .927 Wrist Pin Diameter
  • 1/16 1/16 3/16 Ring Grooves
  • Nitrous - 250 H/P
  • Forced Induction - 8 lbs
Price includes Pistons, Pins, Locks and Oil Rail Supports (as required) more info
Ross Flat Top Forged Pistons
ROSS Forged Pistons_Chevrolet 400_Light Nitrous Flat Top_1.063 C/H_4.125 Bore_ -6.0cc_18° Head
Price $845.00

P/N: RSS-OTS-99465
Ships directly from Supplier
  • 18° Cylinder Head
  • 1.063 Compression Height
  • 3.875 Stroke
  • 6.000 Rod Length
  • .927 Wrist Pin Diameter
  • 1/16 1/16 3/16 Ring Grooves
  • Nitrous - 250 H/P
  • Forced Induction - 8 lbs
Price includes Pistons, Pins, Locks and Oil Rail Supports (as required) more info
Ross Flat Top Forged Pistons
ROSS Forged Pistons_Chevrolet 400_Light Nitrous Flat Top_1.063 C/H_4.130 Bore_-6.0cc_18° Head
Price $910.00

P/N: RSS-OTS-99508
Ships directly from Supplier
  • 18° Cylinder Head
  • 1.063 Compression Height
  • 3.875 Stroke
  • 6.000 Rod Length
  • .927 Wrist Pin Diameter
  • 1/16 1/16 3/16 Ring Grooves
  • Nitrous - 250 H/P
  • Forced Induction - 8 lbs
Price includes Pistons, Pins, Locks and Oil Rail Supports (as required) more info
Ross Flat Top Forged Pistons
ROSS Forged Pistons_Chevrolet 400_Light Nitrous Flat Top_1.063 C/H_4.145 Bore_ -6.0cc_18° Head
Price $845.00

P/N: RSS-OTS-99470
Ships directly from Supplier
  • 18° Cylinder Head
  • 1.063 Compression Height
  • 3.875 Stroke
  • 6.000 Rod Length
  • .927 Wrist Pin Diameter
  • 1/16 1/16 3/16 Ring Grooves
  • Nitrous - 250 H/P
  • Forced Induction - 8 lbs
Price includes Pistons, Pins, Locks and Oil Rail Supports (as required) more info
Ross Flat Top Forged Pistons
ROSS Forged Pistons_Chevrolet 400_Light Nitrous Flat Top_1.063 C/H_4.155 Bore_ -6.0cc_23° Head
Price $845.00

P/N: RSS-OTS-99473
Ships directly from Supplier
  • 18° Cylinder Head
  • 1.063 Compression Height
  • 3.875 Stroke
  • 6.000 Rod Length
  • .927 Wrist Pin Diameter
  • 1/16 1/16 3/16 Ring Grooves
  • Nitrous - 250 H/P
  • Forced Induction - 8 lbs
Price includes Pistons, Pins, Locks and Oil Rail Supports (as required) more info
Ross Flat Top Forged Pistons
ROSS Forged Pistons_Chevrolet 400_Light Nitrous Flat Top_1.063 C/H_4.165 Bore_ -6.0cc_18° Head
Price $845.00

P/N: RSS-OTS-99476
Ships directly from Supplier
  • 18° Cylinder Head
  • 1.063 Compression Height
  • 3.875 Stroke
  • 6.000 Rod Length
  • .927 Wrist Pin Diameter
  • 1/16 1/16 3/16 Ring Grooves
  • Nitrous - 250 H/P
  • Forced Induction - 8 lbs
Price includes Pistons, Pins, Locks and Oil Rail Supports (as required) more info