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Stocking Pistons: Small Block Chevrolet

Extra High Dome 22° or 23° Heads
Ross Extra High Dome pistons
  • ROSS 13-1 compression ratio pistons feature hollow dome forgings for the lightest, strongest design available.
  • Will work with 22 or 23 degree valve pocket angle (stock Chevrolet), standard location or .060/.040 split and angle plug heads.
  • Straight plug heads require slight hand fitting.
  • Pins included are .150 wall, aircraft quality and are retained by double spiro lox or can be press fitted into rods.
  • Compression ratio based on 64 cc head and .050 piston to head clearance (deck and gasket combined).
  • Ring grooves are 1/16, 1/16, 3/16.
  • All pistons below 4.080 bore size are not recommended for any type of endurance racing, and have 2.500 length pins.
  • Piston above 4.100 bore size include 2.950 pins.
  • NOT RECOMMENDED FOR USE WITH FORCED INDUCTION SYSTEMS.
PART #
BORE
STROKE
ROD

LGTH
DOME

CC
DOME

HGHT
C.H.
WGHT
PRICE
90452  4.030  3.480  5.700  15.2 0.550  1.568  456  720.63  Buy Now
90005  4.030  3.480  6.000  15.2 0.550  1.245  421  720.63  Buy Now
90462  4.030  3.480  6.000  15.2 0.550  1.268  421  720.63  Buy Now
91452  4.040  3.480  5.700  15.2 0.550  1.568  460  720.63  Buy Now
91462  4.040  3.480  6.000  15.2 0.550  1.268  397  720.63  Buy Now
93452  4.060  3.480  5.700  15.2 0.550  1.568  466  720.63  Buy Now
93462  4.060  3.480  6.000  15.2 0.550  1.268  412  720.63  Buy Now
90019  4.125  3.800  6.000  13.0 0.350  1.100  456  747.85  Buy Now
90015  4.125  4.000  6.000  9.5 0.225  1.000  423  747.85  Buy Now
90020  4.130  3.800  6.000  13.0 0.350  1.100  453  747.85  Buy Now
90016  4.130  4.000  6.000  9.5 0.225  1.000  423  747.85  Buy Now
90021  4.145  3.800  6.000  13.0 0.300  1.100  466  747.85  Buy Now
90017  4.145  4.000  6.000  9.5 0.225  1.000  440  747.85  Buy Now
90022  4.155  3.800  6.000  13.0 0.300  1.100  477  747.85  Buy Now
90018  4.155  4.000  6.000  9.5 0.225  1.000  435  747.85  Buy Now
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