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Forged Automotive Racing Pistons<br />
Chevrolet LSX • 4.250 Stroke<br />
9.700/9.715 Deck • Nitrous/Turbo (Must use K1 Rod)<br />
12<br />
Kit<br />
Part #<br />
Bore<br />
K395X125 4.125<br />
Comp.<br />
Ht.<br />
Stroke Rod 0 Deck at<br />
Std.<br />
Deck Ht. Avg.<br />
Wt.<br />
451<br />
Volume<br />
Compression ratio at:<br />
65cc 68cc 70cc 72cc<br />
Pin Part #<br />
(Included)<br />
Std. Tension Rings<br />
1.2, 1.2, 3mm<br />
(Included)<br />
4127GFX (x8)<br />
K395X130 4.130 472 4132GFX (x8)<br />
K395X135 4.135 1.115 4.250<br />
6.450<br />
K1 only<br />
9.690 9.700 -<br />
-8cc<br />
FT<br />
11.8 11.4 11.2 11.0<br />
S643<br />
.927 x 2.250<br />
4158GFX (x8)<br />
K395X155 4.155 - 4137GFX (x8)<br />
K395X185 4.185 497 4188GFM (x8)<br />
K446X125 4.125<br />
442<br />
4127GFX (x8)<br />
K446X130<br />
K446X135<br />
4.130<br />
4.135<br />
1.110 4.250<br />
6.450<br />
6.477<br />
K1 only<br />
9.685<br />
9.712<br />
9.700<br />
9.715<br />
-<br />
-<br />
-18cc<br />
10.6<br />
10.8<br />
10.3<br />
10.5<br />
10.1<br />
10.3<br />
10.0<br />
10.2<br />
S643<br />
.927 x 2.250<br />
4132GFX (x8)<br />
4137GFX (x8)<br />
K446X155 4.155 456 4158GFX (x8)<br />
K452X125 4.125<br />
446<br />
4127GFX (x8)<br />
K452X130<br />
K452X135<br />
K452X155<br />
4.130<br />
4.135<br />
4.155<br />
1.110 4.250<br />
6.450<br />
6.477<br />
K1 only<br />
9.685<br />
9.712<br />
9.700<br />
9.715<br />
-<br />
-<br />
-<br />
-20cc<br />
10.4<br />
10.6<br />
10.1<br />
10.3<br />
9.9<br />
10.1<br />
9.8<br />
10.0<br />
S643<br />
.927 x 2.250<br />
4132GFX (x8)<br />
4137GFX (x8)<br />
4158GFX (x8)<br />
K452X165 4.165 - 4168GFX (x8)<br />
K397X125 4.125<br />
430<br />
4127GFX (x8)<br />
K397X130<br />
K397X135<br />
4.130<br />
4.135<br />
1.115 4.250<br />
6.450<br />
K1 only<br />
9.690 9.700<br />
450<br />
-<br />
-32cc 9.5 9.2 9.1 9.0<br />
S643<br />
.927 x 2.250<br />
4132GFX (x8)<br />
4137GFX (x8)<br />
K397X155 4.155 460 4158GFX (x8)<br />
Optional K1 Rod for LS Stroker Series: 6.450" Part # CH6450ALLBLS-ST8-A<br />
Valve<br />
Pocket<br />
LS1, 2, 3,<br />
6, 7, 92<br />
LS1, 2, 3,<br />
6, 7, 92<br />
LS1, 2, 3,<br />
6, 7, 92<br />
LS1, 2, 3,<br />
6, 7, 92<br />
Optional K1 Rod for LS Stroker Series: 6.477" Part # CH6477ALLBLS-ST8-A<br />
Optional K1 Crank for LS Series: 4.250" Stroke Part # 346-4250RB6F-*<br />
(*Add -24 or -58 to part number to indicate 24 or 58 tooth reluctor ring)<br />
9.800 Deck • Nitrous/Turbo (Must use K1 Rod)<br />
Kit<br />
Part #<br />
Bore<br />
Comp.<br />
Ht.<br />
Stroke Rod 0 Deck at<br />
Std.<br />
Deck Ht. Avg.<br />
Wt.<br />
Volume<br />
Compression ratio at:<br />
65cc 68cc 70cc 72cc<br />
Pin Part #<br />
(Included)<br />
Std. Tension Rings<br />
1.2, 1.2, 3mm<br />
(Included)<br />
4127GFX (x8)<br />
K0005X125 4.125<br />
515<br />
K0005X130<br />
K0005X155<br />
4.130<br />
4.155<br />
1.300 4.250<br />
6.365<br />
K1 only<br />
9.790 9.800<br />
519<br />
526<br />
-1cc 12.7 12.3 12.0 11.8<br />
S643<br />
.927 x 2.250<br />
4137GFX (x8)<br />
4158GFX (x8)<br />
LS1, 2, 3,<br />
6, 7, 92<br />
K0005X185 4.185 - 4188GFM (x8)<br />
K393X100<br />
K393X125<br />
4.100<br />
4.125<br />
1.304 4.250<br />
6.365<br />
K1 only<br />
9.794 9.800<br />
505<br />
515<br />
-25cc 10.1 9.8 9.7 9.5<br />
S643<br />
.927 x 2.250<br />
4102GFX (x8)<br />
4127GFX (x8)<br />
LS1, 2, 3,<br />
6, 7, 92<br />
Optional K1 Rod for LS Stroker Series: 6.365" Part # CH6365ALLB-LSL8-A<br />
Valve<br />
Pocket<br />
Optional K1 Crank for LS Series: 4.250" Stroke Part # 346-4250RB6F-*<br />
(*Add -24 or -58 to part number to indicate 24 or 58 tooth reluctor ring)
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