Main >> Pistons >> Ross  >>  Auto Stocking >> Chrysler BB Menu >> Chrysler BB Flat Top Open/Closed

Comp Ratio base on: .17 deck clearance Block Height: 400=9.980, 440=10.725 Forced Induction: No Nitrous: Yes - up to 250HP Pins: as indicated Ring Grooves: 1/16, 1/16, 3/16 Tech Tip: Bushings to reduce rod pin hole to .990dia are available Chrysler Big Block Flat Top Pistons Open/Closed Chamber Includes: Pistons, Pins, Spiro Lox ROSS Flat top big block Chrysler pistons listed in this section feature special flat top forgings for maximum weight with minimum weight. Will work with open or closed chamber heads. Ideal for high performance applications where a flat top piston is desirable. Pins included are aircraft quality and are retained by double spiro lox or can be press fitted into rods. Pin location (compression height) used on these pistons will give .017 deck clearance in a new 9.980 tall 400 or a 10.725 tall 440 block. Ring grooves are 1/16, 1/16, 3/16. Valve pockets displace 4 cc net. 400 STANDARD BORE = 4.342, STROKE = 3.375, R/L = 6.358 440 STANDARD BORE = 4.320, STROKE = 3.750, R/L = 6.768 NOT RECOMMENDED FOR HEAVILY BLOWN OR SUPER-CHARGED APPLICATIONS.

BLK Bore Stroke Rod Length Comp Ratio w/Head CC of: Pin Dia. C.H.  Gram Weight Part # Price/Set Notes 64 75 86 383 4.280 3.750 6.768 11.7 10.5 9.5 1.094 1.320 548 99894 $545 - 400  4.360  3.915  6.535  12.6 11.25 10.2 0.990  1.471  562  99537 $559 - 400  4.375  3.750  6.358  12.2 10.9 9.8 0.990  1.728  614  99536 $559 - 400  4.375  3.750  6.768  12.2 10.9 9.8 0.990  1.320  527  99495 $559 - 400  4.375  3.750  6.768  12.2 10.9 9.8 1.094  1.320  510  99494 $559 - 400  4.375  3.750  6.358  12.2 10.9 9.8 1.094  1.728  608  99535 $559 - 400  4.375  3.915  6.535  12.7 11.3 10.2 0.990  1.471  550  99538 $559 - 400  4.375  3.915  6.768  12.7 11.3 10.2 0.990  1.238  508  99496 $559 1  400  4.375  4.150  6.768  13.4 12.0 10.8 0.990  1.120  492  99497 $559 1  440  4.350  3.750  6.768  12.0 10.8 9.7 0.990  2.065  638  99539 $559 - 440  4.350  3.750  6.768  12.0 10.8 9.7 1.094  2.065  628  82008 $559 - 440  4.350  4.150  6.768  13.3 11.8 10.7 0.990  1.865  607  99498 $559 - 440  4.360  3.750  6.768  12.1 10.8 9.8 0.990  2.065  644  99763 $559 - 440  4.360  3.750  6.768  12.1 10.8 9.8 1.094  2.065  638  82009 $559 - 440  4.360  4.150  6.768  13.3 11.9 10.8 0.990  1.865  606  99524 $559 - 440  4.375  3.750  6.768  12.2 10.9 9.8 0.990  2.065  649  99764 $559 - 440  4.375  3.750  6.768  12.2 10.9 9.8 1.094  2.065  629  82010 $559 - 440  4.375  4.150  6.768  13.4 11.9 10.8 0.990  1.865  619  99540 $559 - 440 4.380 4.150 6.768 13.4 11.9 10.8 0.990 1.865 628 99903 $545 - Notes: (when applicable) Price includes Oil Ring Rails.

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