118B2MQ

Forged Automotive Racing Pistons
Designed to accommodate the reluctor ring on
stroker cranks without having to notch the pin bosses.
Offset pins like O.E. and skirt shapes specifically
designed for street applications make these the best
pistons available.
Chevrolet LSX
NEW! Junkyard Dog • 5.3L "Drop In" Replacements • NA/Boost/Nitrous • (.945" pin)
8
Kit
Part #
Bore
Comp.
Ht.
Stroke Rod 0 Deck at
Std.
Deck Ht. Avg.
Wt.
Volume
Compression ratio at:
58cc 61cc
Pin Part #
(included)
Std. Tension Rings
1.0, 1.2, 2.8mm
(Included)
.945" pin dia., designed for stock rod use
* K0041XS 3.780
9600XX (x8)
* K0041X1 3.790 1.321 3.622 6.098 9.230 9.240 6cc 11.5 11.1 .945 x 2.250 9625XX (x8)
* K0041X2 3.800 9650XX (x8)
* K0042XS 3.780
9600XX (x8)
* K0042X2 3.790 1.321 3.622 6.098 9.230 9.240 -10.7cc 9.3 9.0 .945 x 2.250 9625XX (x8)
* K0042XS 3.800 9650XX (x8)
LS 5.3 • 3.622 Stroke
Kit
Part #
Bore
Comp.
Ht.
Stroke Rod 0 Deck at
.927" pin dia., must use K1 or aftermarket rod
K474M96 3.780
1.300 3.622
6.098
6.125
9.209
9.236
Std.
Deck Ht. Avg.
Wt.
9.240
410
Volume
Compression ratio at:
58cc 61cc
FT -2.2 10.9 10.4
Pin Part #
(included)
S643
.927 x 2.250
Std. Tension Rings
1/16, 1/16, 3mm
(Sold separately)
3785HF (x8)
K474M965 3.800 420 3805HF (x8)
LS 5.3 • 4.000 Stroke
K473M96
K473M965
3.780
3.800
1.110 4.000
6.098
6.125
9.209
9.236
9.240
370
376
-7cc 11.2 10.8
S643
.927 x 2.250
3785HF (x8)
3805HF (x8)
Optional K1 Rod for LS Series: 6.098" Part # CH6098ALLB-LS8-A
LS7 • OE Titanium Rod & Pin Dia.
Kit
Part #
Bore
Comp.
Ht.
Optional K1 Rod for LS Series: 6.125" Part # CH6125ALLB-LS8-A
Valve
Pocket
LS1, 2, 3,
6, 92
(cathedral)
LS1, 2, 3,
6, 92
(cathedral)
Valve
Pocket
LS1,2,6
LS1,2,6
Optional K1 Rod for LS Series: 6.125" Part # CH6125ALLBLS-ST8-A (4.000" + Stroker)
Optional K1 Crank for LS Series: 4.000" Stroke Part # 346-4000RB6F-*
(*Add -24 or -58 to part number to indicate 24 or 58 tooth reluctor ring)
Stroke Rod 0 Deck at
Std.
Deck Ht. Avg.
Wt.
Volume
Compression ratio at:
70cc 72cc
Pin Part #
(included)
Std. Tension Rings
1.2, 1.2, 3mm
(included)
4127GFX (x8)
K0004X125 4.125
488
1.175 4.000 6.067 9.242 9.240
2.5 11.9 11.6
S761
K0004X130 4.130 490 .9252 x 2.250 4137GFX (x8)
• 2618 Alloy: High strength. Will not shatter like hypereutectic or cast pistons.
• Strong, strutted skirt is specially designed to run at as little as .004”
clearance with excellent skirt wear and minimal noise or rock.
• Radiused valve pockets for detonation resistance and increased air flow.
• Anti-detonation grooves help keep the ring grooves free of carbon.
• 1.2mm Nitride Steel Top, 1.2mm Napier 2nd, and Nitride 3mm
oil GFX ring packs included for the best seal, reduced friction,
and superior oil control.
• Pressure groove for enhanced ring seal.
• Features chrome moly pins and Spirolox ® .
(Tool steel pins optional.)
• Race Ready Domes don’t require deburring by the engine builder.
• Wiseco ArmorGlide TM skirt coated for lower friction, reduced
noise, and superior life.
• Multi-fit valve pockets for interchangeability of cylinder heads.
• Individual Replacement Pistons for the LS Series are sold -
Left Hand (driver's side) or Right Hand (Passenger side).
Valve
Pocket
LS7