CPRPARTS.COM, Your High Performance Source!
Stocking Pistons: Small Block Chevrolet

Dome Top 17° or 18° Heads
Ross Dome Top Forged Pistons 17 and 18 deg. Heads
  • ROSS dome top pistons are machined on our new XL series forging for minimum weight and maximum strength.
  • Domes feature net effective dome cc as listed.
  • Pistons can be re-machined to lower dome or flat top, if desired by customer.
  • Pins are .927 dia., 2.950 length, .150 wall, 141 gram weight, aircraft quality, and are retained by double spiro lox or can be press fitted on rods.
  • Ring grooves are 1/16, 1/16, 3/16.
  • Compression ratio based on .050 piston to head clearance (deck and gasket combined).
  • NOT RECOMMENDED FOR USE WITH FORCED INDUCTION SYSTEMS OR NITROUS ABOVE 250 HP.
  • Oil rail spacers included with pistons that require them.
PART # 
BORE 
STROKE 
ROD

LENGTH 
DOME

CC 

 CR w/52cc head
C.H. 
WEIGHT

(grams) 
PRICE 
99478  4.003  3.480  6.000  6.0 14.2:1 1.255  439  678.66  Buy Now
99479  4.020  3.480  6.000  6.0 14.3:1 1.255  444  678.66  Buy Now
99480  4.030  3.480  6.000  6.0 14.4:1 1.255  451  678.66  Buy Now
99481  4.035  3.480  6.000  6.0 14.4:1 1.255  454  678.66  Buy Now
99482  4.040  3.480  6.000  6.0 14.4:1 1.255  457  678.66  Buy Now
99483  4.125  3.750  6.000  6.0 15.2:1 1.120  458  747.85  Buy Now
99484  4.125  3.800  6.000  6.0 15.4:1 1.095  462  747.85  Buy Now
99485  4.130  3.750  6.000  6.0 15.2:1 1.120  469  747.85  Buy Now
99486  4.130  3.800  6.000  6.0 15.4:1 1.095  462  747.85  Buy Now
99487  4.145  3.750  6.000  6.0 15.3:1 1.120  476  747.85  Buy Now
99488  4.145  3.800  6.000  6.0 15.5:1 1.095  471  747.85  Buy Now
99489  4.155  3.300  6.000  6.0 13.6:1 1.345  526  678.66  Buy Now
99490  4.155  3.750  6.000  6.0 15.3:1 1.120  481  747.85  Buy Now
99491  4.155  3.800  6.000  6.0 15.5:1 1.095  473  747.85  Buy Now
99492  4.165  3.750  6.000  6.0 15.4:1 1.120  485  747.85  Buy Now
99493  4.165  3.800  6.000  6.0 15.6:1 1.095  478  747.85  Buy Now
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