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Forged Automotive Racing Pistons<br />
Chevrolet • 23 0 350 XLS Flat Top<br />
350 XLS • 2bbl Xtra Light Series • 1/16 Rings • .250/.170 Pockets<br />
16<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 />
58cc 62cc 67cc 76cc<br />
Pin Part #<br />
(Included)<br />
Std. Tension Rings<br />
1/16, 1/16, 3/16<br />
(sold separately)<br />
W100F8-4030-5<br />
K167A3 4.030<br />
375<br />
K167A4 4.040 1.550 3.480 5.700 8.990 9.025 379 -3.2cc 11.3 10.8 10.1 9.2<br />
S424<br />
.927 x 2.500<br />
W100F8-4040-5<br />
K167A6 4.060 385 W100F8-4060-5<br />
K166A3 4.030<br />
336<br />
W100F8-4030-5<br />
K166A4 4.040 1.250 3.480 6.000 8.990 9.025 347 -3.2cc 11.3 10.8 10.1 9.2<br />
S424<br />
.927 x 2.500<br />
W100F8-4040-5<br />
K166A6 4.060 351 W100F8-4060-5<br />
• Radiused Valve Pockets.<br />
• Skirt design allows for as little as .004"<br />
clearance with excellent wear properties.<br />
• Anti-detonation Grooves help keep the top<br />
ring groove free of carbon.<br />
• Pressure Groove for enhanced ring seal.<br />
• Features Chrome Moly Pins and Spirolox ® .<br />
Chevrolet • 23 0 350 XLS Pro GFX<br />
Skirt<br />
Type<br />
Slipper<br />
Slipper<br />
• The original Xtra Lite Series sets<br />
new standards for light weight,<br />
quicker revving, and reduced loads<br />
on the bottom end.<br />
• A specially developed skirt shape is<br />
easy on cylinder walls and<br />
makes excellent power.<br />
350 XLS • 4bbl Xtra Light Series • 1.2mm GFX Ring Packs • .305/.210 Pockets • Gas Ports<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 />
58cc 62cc 67cc 76cc<br />
Pin Part #<br />
(included)<br />
Std. Tension Rings<br />
1.2, 1.2, 3mm<br />
(NOW included)<br />
4032GFX<br />
K412X3 4.030<br />
374<br />
K412X4<br />
K412X5<br />
4.040<br />
4.050<br />
1.550 3.480 5.700 8.990 9.025<br />
380<br />
383<br />
-4.6 11.1 10.6 10.0 9.0<br />
S424<br />
.927 x 2.500<br />
4042GFX<br />
4052GFX<br />
K412X6 4.060 394 4062GFX<br />
K413X2 4.020<br />
335<br />
4022GFX<br />
K413X3 4.030 347 4032GFX<br />
K413X4 4.040 1.250 3.480 6.000 8.990 9.025 350 -4.6cc 11.1 10.6 10.0 9.0<br />
S424<br />
.92 7 x 2.500<br />
4042GFX<br />
K413X5 4.050 354 4052GFX<br />
K413X6 4.060 358 4062GFX<br />
K499X3 4.030<br />
328<br />
4032GFX<br />
K499X4 4.040 1.125<br />
3.480<br />
3.750<br />
6.125<br />
6.000<br />
8.990<br />
9.000<br />
9.025 329 -4.6cc<br />
11.1<br />
11.9<br />
10.6<br />
11.3<br />
10.0<br />
10.7<br />
9.0<br />
9.7<br />
S424<br />
.927 x 2.500<br />
4042GFX<br />
K499X6 4.060 333 4062GFX<br />
• Radiused Valve Pocket.<br />
• Skirt design allows for as little as .004"<br />
clearance with excellent wear properties.<br />
• Anti-detonation Grooves help keep the top<br />
ring groove free of carbon.<br />
• Pressure Groove for enhanced ring seal.<br />
• Features Chrome Moly Pins and Spirolox ® .<br />
• ArmorGlide Skirt Coating.<br />
Skirt<br />
Type<br />
Slipper<br />
Slipper<br />
Slipper<br />
• Taking the XLS Series a step further,<br />
the GFX ring package and gas<br />
ports reduce friction for noticeable<br />
increases in power.<br />
• Extra deep valve pockets and a<br />
thicker deck allow for higher horsepower,<br />
bigger cams, and more<br />
radically milled heads.<br />
• Skirt coated for lower friction,<br />
reduced noise, and superior life.
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