Pistons

RPM - RON'S PRECISION MACHINE, INC.
3461 W. 250 N.
Hurricane, Utah 84737
1-435-673-0724
e-mail

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Just arrow down to view the pistons you want to view price.
Call toll free to order at 1-866-700-5877 or e-mail or use the order form for questions and to check stock.
These prices are out of date and are not current.
Pistons are sold in sets only! Not individually.

Ross Pistons

Ring Groove Key

Small Block Chevrolet

Engine    Bore    Stroke    Rod      Comp.   Comp.      Net     Gram      Ring      Part Number     Your
                                        Length   Height   Ratio     Dome  Weight   Groove                            Cost ea.

327        4.030    3.250     5.700       1.683     12.5       +16.5     535           1          P-90251           $83.38
327        4.030    3.250     6.000       1.383     12.5       +16.5     492           1          P-90261           $83.38
327        4.060    3.250     5.700       1.683     12.5       +15.7     536           1          P-93251           $83.38


350        4.003    3.480     5.700       1.568     12.5       +13.0     465           1          P-99451           $83.38
350        4.003    3.480     6.000       1.268     12.5       +13.0     461           1          P-99461           $83.38
350        4.003    3.480     5.700       1.568     9.5         -9.0        428           1          P-99450           $85.25
350        4.003    3.480     6.000       1.268     9.5         -9.0        385           1          P-99460           $85.25
350        4.003    3.480     5.700       1.568     flat top    -4.0       399            1          P-99456          $81.24
350        4.003    3.480     6.000       1.268     flat top    -4.0       362            1          P-99166          $81.24
350        4.020    3.480     5.700       1.568     12.5       +12.5     498            1          P-92451          $83.38
350        4.020    3.480     6.000       1.268     12.5       +12.5     466            1          P-92461          $83.38
350        4.020    3.480     5.700       1.568     9.5         -9.0        445            1          P-92450          $85.25
350        4.020    3.480     6.000       1.268     9.5         -9.0        402            1          P-92460          $85.25
350        4.020    3.480     5.700       4.568     flat top    -4.0       419            1          P-92456          $81.24
350        4.020    3.480     6.000       1.268     flat top    -4.0       376            1          P-92466          $81.24
350        4.020    3.625     6.000       1.196     12.5        +10.0    460            1          P-92661          $83.38

Engine    Bore    Stroke    Rod      Comp.   Comp.      Net     Gram      Ring      Part Number     Your
                                        Length   Height   Ratio     Dome  Weight   Groove                            Cost ea.

350        4.030    3.480     5.700      1.568      11.0       +3.0      455           1          P-92453           $79.42
350        4.030    3.480     5.700      1.568       9.5        -9.0       456           1          P-90450           $85.25
350        4.030    3.480     5.700      1.568      12.5       +12.5    508           1          P-90451           $83.38
350        4.030    3.480     5.700      1.568      13.0       +14.5    446           1          P-90452           $88.44
350        4.030    3.480     5.700      1.568      flat top    -4.0      510           1          P-90455           $75.68
350        4.030    3.480     5.700      1.568      flat top    -4.0      428           1          P-90456           $81.24
350        4.030    3.480     5.700      1.455      8.0         -4.0       532           1          P-90458           $81.24
350        4.030    3.480     5.700      1.568      9.5         -15.4     506           1          P-90459           $83.38
350        4.030    3.480     5.700      1.568      flat top    -4.0       440           5         P-90926           $81.24
350        4.030    3.480     6.000      1.268      flat top    -4.0       390           5         P-90956           $81.24
350        4.030    3.480     6.000      1.268      9.5          -9.0      413           1          P-90460           $85.25
350        4.030    3.480     6.000      1.268      12.5        +12.5   470           1          P-90461           $83.38
350        4.030    3.480     6.000      1.268      13.0        +14.9   408           1          P-90462           $88.44
350        4.030    3.480     6.000      1.268      flat top     -4.0      470           1         P-90465           $75.68
350        4.030    3.480     6.000      1.268      flat top     -4.0      385           1         P-90466           $81.24
350        4.030    3.480     6.000      1.268      9.5          -9.0       472          1          P-90469           $83.38

Engine    Bore    Stroke    Rod      Comp.   Comp.      Net     Gram      Ring      Part Number     Your
                                        Length   Height   Ratio     Dome  Weight   Groove                            Cost ea.

350        4.030    3.480     6.125      1.143     flat top     -4.0       371           1          P-90416           $81.24
350        4.030    3.480     6.125      1.143     flat top     -4.0       376           5          P-90426           $81.24
350        4.030    3.480     6.250      1.018     flat top     -4.0       339           1          P-90446(ORS) $88-44
350        4.030    3.480     6.250      1.018     flat top     -4.0       347           5          P-90436(ORS) $88.44
350        4.035    3.480     5.700      1.568     12.5        +12.0     508           1          P-94451           $83.38
350        4.035    3.480     5.700      1.568     flat top     -4.0       438           5          P-90936           $81.24
350        4.035    3.480     6.000      1.268     +12.0      +12.0    475           1           P-94461           $83.38
350        4.035    3.480     5.700      1.568     9.5          -9.0       459           1           P-94450           $85.25
350        4.035    3.480     6.000      1.268     9.5          -9.0       415           1           P-94460           $85.25
350        4.035    3.480     5.700      1.568     flat top    -4.0       431            1           P-94456          $81.24
350        4.035    3.480     6.000      1.268     flat top    -4.0       387            1           P-94466          $81.24
350        4.035    3.480     6.000      1.268     flat top    -4.0       401            5           P-90966          $81.24
350        4.035    3.480     6.125      1.143     flat top    -4.0       371            1           P-90476          $75.68
350        4.035    3.480     6.125      1.143     flat top    -4.0       372            5           P-90486          $75.68
350        4.035    3.480     6.250      1.018     flat top    -4.0       345            1          P-91426(ORS) $88.44
350        4.035    3.480     6.250      1.018     flat top    -4.0       346            5          P-91416(ORS) $88.44

Engine    Bore    Stroke    Rod      Comp.   Comp.      Net     Gram      Ring      Part Number     Your
                                        Length   Height   Ratio     Dome  Weight   Groove                            Cost ea.

350        4.030    3.562     5.700      1.527     flat top    -4.0       437            1          P-90556           $81.24
350        4.030    3.562     6.000      1.527     flat top    -4.0       399            1          P-90566           $81.24
350        4.030    3.562     5.700      1.527     12.5        +10.8    501            1          P-90551           $83.38
350        4.030    3.562     6.000      1.527     12.5        +10.8    474            1          P-90561           $83.38
350        4.030    3.625     5.700      1.495     12.5        +9.6      488            1          P-90651           $80.03
350        4.030    3.625     6.000      1.495     12.5        +9.6      466            1          P-90661           $83.38
350        4.030    3.750     5.700      1.433     12.5        +7.4      512            1          P-90751           $83.38
350        4.030    3.750     5.700      1.433     flat top     -5.0      492            1           P-90755          $75.68
350        4.030    3.750     6.000      1.133     flat top     -4.0      468            2           P-90765          $75.68
350        4.030    3.750     6.000      1.133     flat top     -4.0      373            2           P-90766          $81.24
350        4.030    3.750     6.000      1.133     12.5        +7.4      466            2           P-90761          $83.38
350        4.035    3.750     6.000      1.133     flat top     -4.0      492            2           P-94765          $75.68

Engine    Bore    Stroke    Rod      Comp.   Comp.      Net     Gram      Ring      Part Number     Your
                                        Length   Height   Ratio     Dome  Weight   Groove                            Cost ea.

350        4.040    3.480     5.700      1.433     flat top     -4.0      432            1           P-90754          $81.24
350        4.040    3.480     5.700      1.568     9.5          -10.0    460             1          P-91450          $85.25
350        4.040    3.480     5.700      1.568     flat top     -4.0      442            5           P-90946          $81.24
350        4.040    3.480     5.700      1.568     13.0         +14.5   446            1           P-91452          $88.44
350        4.040    3.480     5.700      1.568     12.5         +12.0   494            1           P-91451          $83.38
350        4.040    3.480     5.700      1.568     flat top      -5.0     526            1           P-91455          $75.68
350        4.040    3.480     5.700      1.568     flat top      -5.0     437            1           P-91456          $81.24
350        4.040    3.480     5.700      1.568     9.5            -10.0   531            1           P-91459         $83.38
350        4.040    3.480     6.000      1.268     13.0          +14.5   397           1           P-91462          $88.44
350        4.040    3.480     6.000      1.268     9.5             -10.0   481           1           P-91460          $85.25
350        4.040    3.480     6.000      1.268     12.5          +12.5   475           1           P-91461          $83.38
350        4.040    3.480     6.000      1.268     flat top       -5.0     458            1          P-91465          $75.68
350        4.040    3.480     6.000      1.268     flat top       -5.0     392            1          P-91466          $81.24
350        4.040    3.480     6.000      1.268     flat top       -4.0     395            5          P-90976          $81.24
350        4.040    3.480     6.125      1.143     flat top       -4.0     379            5          P-90406          $81.24
350        4.040    3.480     6.125      1.143     flat top       -4.0     372            1          P-90496          $81.24
350        4.040    3.480     6.250      1.108     flat top       -4.0     341            1          P-90906(ORS)$88.44
350        4.040    3.480     6.250      1.108     flat top       -4.0     344            1          P-90916(ORS)$88.44

Engine    Bore    Stroke    Rod      Comp.   Comp.      Net     Gram      Ring      Part Number     Your
                                        Length   Height   Ratio     Dome  Weight   Groove                            Cost ea.

350        4.040    3.750     5.700      1.433     flat top     -4.0       432           1          P-90754           $81.24

More part numbers and prices coming soon.

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