Chevy 7.0 - LS7 - LSX OEM Stroke 4.000"

-3cc Flat Top LS1,LS2,LS3 and LS7
Chamber Comp Ratio
64 12.58 to 1
66 12.29 to 1
72 11.47 to 1
(1)
-3cc Flat Top LS1,LS2,LS3 and LS7
Chamber Comp Ratio
64 12.61 to 1
66 12.29 to 1
72 11.49 to 1
(1)
-3cc Flat Top LS1,LS2,LS3 and LS7
Chamber Comp Ratio
64 12.72 to 1
66 12.42 to 1
72 11.6 to 1
(1)
-3cc Flat Top LS1,LS2,LS3 and LS7
Chamber Comp Ratio
64 12.77 to 1
66 12.45 to 1
72 11.64 to 1
(1)
-3cc Flat Top LS1,LS2,LS3 and LS7
Chamber Comp Ratio
64 12.85 to 1
66 12.55 to 1
72 11.72 to 1
(1)
-10cc Dish Top LS1,LS2,LS3 and LS7
Chamber Comp Ratio
64 11.59 to 1
66 11.35 to 1
72 10.66 to 1
(1)
-10cc Dish Top LS1,LS2,LS3 and LS7
Chamber Comp Ratio
64 11.62 to 1
66 11.37 to 1
72 10.68 to 1
(1)
-10cc Dish Top LS1,LS2,LS3 and LS7
Chamber Comp Ratio
64 11.72 to 1
66 11.47 to 1
72 10.77 to 1
(1)
-10cc Dish Top LS1,LS2,LS3 and LS7
Chamber Comp Ratio
64 11.77 to 1
66 11.52 to 1
72 10.82 to 1
(1)
-10cc Dish Top LS1,LS2,LS3 and LS7
Chamber Comp Ratio
64 11.85 to 1
66 11.6 to 1
72 10.91 to 1
(1)
-15cc Dish Top LS1,LS2,LS3 and LS7
Chamber Comp Ratio
64 10.98 to 1
66 10.76 to 1
72 10.16 to 1
(1)
-15cc Dish Top LS1,LS2,LS3 and LS7
Chamber Comp Ratio
64 11 to 1
66 10.79 to 1
72 10.18 to 1
(1)
-15cc Dish Top LS1,LS2,LS3 and LS7
Chamber Comp Ratio
64 11.12 to 1
66 10.9 to 1
72 10.27 to 1
(1)
-15cc Dish Top LS1,LS2,LS3 and LS7
Chamber Comp Ratio
64 11.15 to 1
66 10.93 to 1
72 10.32 to 1
(1)
-15cc Dish Top LS1,LS2,LS3 and LS7
Chamber Comp Ratio
64 11.24 to 1
66 11.02 to 1
72 10.39 to 1
(1)
-22cc Dish Top LS1,LS2,LS3 and LS7
Chamber Comp Ratio
64 10.26 to 1
66 10.07 to 1
72 9.53 to 1
(1)
-22cc Dish Top LS1,LS2,LS3 and LS7
Chamber Comp Ratio
64 10.28 to 1
66 10.07 to 1
72 9.55 to 1
(1)
-22cc Dish Top LS1,LS2,LS3 and LS7
Chamber Comp Ratio
64 10.37 to 1
66 10.18 to 1
72 9.64 to 1
(1)
-22cc Dish Top LS1,LS2,LS3 and LS7
Chamber Comp Ratio
64 10.41 to 1
66 10.22 to 1
72 9.68 to 1
(1)
-22cc Dish Top LS1,LS2,LS3 and LS7
Chamber Comp Ratio
64 10.48 to 1
66 10.29 to 1
72 9.74 to 1
(1)
-29cc Dish Top LS1,LS2,LS3 and LS7
Chamber Comp Ratio
64 9.62 to 1
66 9.45 to 1
72 8.99 to 1
(1)
-29cc Dish Top LS1,LS2,LS3 and LS7
Chamber Comp Ratio
64 9.64 to 1
66 9.47 to 1
72 9 to 1
(1)
-29cc Dish Top LS1,LS2,LS3 and LS7
Chamber Comp Ratio
64 9.72 to 1
66 9.56 to 1
72 9.08 to 1
(1)
-29cc Dish Top LS1,LS2,LS3 and LS7
Chamber Comp Ratio
64 9.76 to 1
66 9.6 to 1
72 9.12 to 1
(1)
-29cc Dish Top LS1,LS2,LS3 and LS7
Chamber Comp Ratio
64 9.83 to 1
66 9.66 to 1
72 9.2 to 1
(1)
+6cc Dome Top LS1,LS2,LS3 and LS7
Chamber Comp Ratio
64 14.14 to 1
66 13.74 to 1
72 12.73 to 1
(1)
+6cc Dome Top LS1,LS2,LS3 and LS7
Chamber Comp Ratio
64 14.18 to 1
66 13.77 to 1
72 12.76 to 1
(1)
+6cc Dome Top LS1,LS2,LS3 and LS7
Chamber Comp Ratio
64 14.3 to 1
66 13.92 to 1
72 12.87 to 1
(1)
+6cc Dome Top LS1,LS2,LS3 and LS7
Chamber Comp Ratio
64 14.36 to 1
66 13.95 to 1
72 12.93 to 1
(1)
+6cc Dome Top LS1,LS2,LS3 and LS7
Chamber Comp Ratio
64 14.45 to 1
66 14.06 to 1
72 13.01 to 1
(1)

-3cc Flat Top LS1,LS2,LS3 and LS7
Chamber	Comp Ratio
64	12.58 to 1
66	12.29 to 1
72	11.47 to 1

-3cc Flat Top LS1,LS2,LS3 and LS7
Chamber	Comp Ratio
64	12.61 to 1
66	12.29 to 1
72	11.49 to 1

-3cc Flat Top LS1,LS2,LS3 and LS7
Chamber	Comp Ratio
64	12.72 to 1
66	12.42 to 1
72	11.6 to 1

-3cc Flat Top LS1,LS2,LS3 and LS7
Chamber	Comp Ratio
64	12.77 to 1
66	12.45 to 1
72	11.64 to 1

-3cc Flat Top LS1,LS2,LS3 and LS7
Chamber	Comp Ratio
64	12.85 to 1
66	12.55 to 1
72	11.72 to 1

-10cc Dish Top LS1,LS2,LS3 and LS7
Chamber	Comp Ratio
64	11.59 to 1
66	11.35 to 1
72	10.66 to 1

-10cc Dish Top LS1,LS2,LS3 and LS7
Chamber	Comp Ratio
64	11.62 to 1
66	11.37 to 1
72	10.68 to 1

-10cc Dish Top LS1,LS2,LS3 and LS7
Chamber	Comp Ratio
64	11.72 to 1
66	11.47 to 1
72	10.77 to 1

-10cc Dish Top LS1,LS2,LS3 and LS7
Chamber	Comp Ratio
64	11.77 to 1
66	11.52 to 1
72	10.82 to 1

-10cc Dish Top LS1,LS2,LS3 and LS7
Chamber	Comp Ratio
64	11.85 to 1
66	11.6 to 1
72	10.91 to 1

-15cc Dish Top LS1,LS2,LS3 and LS7
Chamber	Comp Ratio
64	10.98 to 1
66	10.76 to 1
72	10.16 to 1

-15cc Dish Top LS1,LS2,LS3 and LS7
Chamber	Comp Ratio
64	11 to 1
66	10.79 to 1
72	10.18 to 1

-15cc Dish Top LS1,LS2,LS3 and LS7
Chamber	Comp Ratio
64	11.12 to 1
66	10.9 to 1
72	10.27 to 1

-15cc Dish Top LS1,LS2,LS3 and LS7
Chamber	Comp Ratio
64	11.15 to 1
66	10.93 to 1
72	10.32 to 1

-15cc Dish Top LS1,LS2,LS3 and LS7
Chamber	Comp Ratio
64	11.24 to 1
66	11.02 to 1
72	10.39 to 1

-22cc Dish Top LS1,LS2,LS3 and LS7
Chamber	Comp Ratio
64	10.26 to 1
66	10.07 to 1
72	9.53 to 1

-22cc Dish Top LS1,LS2,LS3 and LS7
Chamber	Comp Ratio
64	10.28 to 1
66	10.07 to 1
72	9.55 to 1

-22cc Dish Top LS1,LS2,LS3 and LS7
Chamber	Comp Ratio
64	10.37 to 1
66	10.18 to 1
72	9.64 to 1

-22cc Dish Top LS1,LS2,LS3 and LS7
Chamber	Comp Ratio
64	10.41 to 1
66	10.22 to 1
72	9.68 to 1

-22cc Dish Top LS1,LS2,LS3 and LS7
Chamber	Comp Ratio
64	10.48 to 1
66	10.29 to 1
72	9.74 to 1

-29cc Dish Top LS1,LS2,LS3 and LS7
Chamber	Comp Ratio
64	9.62 to 1
66	9.45 to 1
72	8.99 to 1

-29cc Dish Top LS1,LS2,LS3 and LS7
Chamber	Comp Ratio
64	9.64 to 1
66	9.47 to 1
72	9 to 1

-29cc Dish Top LS1,LS2,LS3 and LS7
Chamber	Comp Ratio
64	9.72 to 1
66	9.56 to 1
72	9.08 to 1

-29cc Dish Top LS1,LS2,LS3 and LS7
Chamber	Comp Ratio
64	9.76 to 1
66	9.6 to 1
72	9.12 to 1

-29cc Dish Top LS1,LS2,LS3 and LS7
Chamber	Comp Ratio
64	9.83 to 1
66	9.66 to 1
72	9.2 to 1

+6cc Dome Top LS1,LS2,LS3 and LS7
Chamber	Comp Ratio
64	14.14 to 1
66	13.74 to 1
72	12.73 to 1

+6cc Dome Top LS1,LS2,LS3 and LS7
Chamber	Comp Ratio
64	14.18 to 1
66	13.77 to 1
72	12.76 to 1

+6cc Dome Top LS1,LS2,LS3 and LS7
Chamber	Comp Ratio
64	14.3 to 1
66	13.92 to 1
72	12.87 to 1

+6cc Dome Top LS1,LS2,LS3 and LS7
Chamber	Comp Ratio
64	14.36 to 1
66	13.95 to 1
72	12.93 to 1

+6cc Dome Top LS1,LS2,LS3 and LS7
Chamber	Comp Ratio
64	14.45 to 1
66	14.06 to 1
72	13.01 to 1

Show all Piston Top Aprox. Comp. Ratio

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