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  Wiseco Pistons - Chevy
Big Block 454/496 Dome
Included: Pistons, Pins & Spirolox (no rings)

Designed to be the lightest on the market, the generous valve pockets are compatible with all but the most milled cylinder heads. Full round 2618 forgings and a newly designed skirt shape keep piston rock to a minimum and ring seal at a maximum. Precision tolerance make these pistons unbeatable.

All Pistons Feature:
  • Radiused Valve Pockets
  • Anti Detonation Grooves with the added benefit of keeping the top ring groove free of carbon
  • Pressure groove for enhanced ring seal.
  • Features Chrome Moly Pins and Spirolox
  • STD Tension Rings: 1/16, 1/16, 3/16
 
Part # Bore Comp
HT
Stroke Rod Avg.
WT
Vol. Comp Ratio at: Price
110cc 114cc 119cc 123cc
454/496 Dome - Light Weight Drag - Open Chamber (will NOT fit Dart Pro 1)
(STD Tension Rings: 1/16, 1/16, 3/16)
K309A3 4.280 1.645 4.000
4.000
6.135
6.535
650 48.4
Hollow
14.0 13.4 12.7 12.1 $681.74
K309A6 4.310 $681.74
K309A100 4.350 $681.74
K309A125 4.375 $681.74
K320A6 4.310 1.520 3.760
4.250
4.250
6.385
6.135
6.535
634 48.4
Hollow
13.5
15.1
15.1
12.9
14.4
14.4
12.1
13.6
13.6
11.6
13.0
13.0
$681.74
K320A100 4.350 $681.74
K320A125 4.375 $681.74
K323A3 4.280 1.395 4.000
4.500
4.500
6.385
6.135
6.535
591 48.4
Hollow
14.6
15.6
15.6
13.3
14.9
14.9
12.6
14.0
14.0
12.0
13.4
13.4
$709.01
K323A6 4.310 $709.01
K323A100 4.350 $709.01
K323A125 4.375 $709.01
K238A3 4.280 1.270 4.250
4.250
6.385
6.800
550 48.4
Hollow
14.8 14.1 13.3 12.7 $742.38
K238A6 4.310 $742.38
K238A125 4.375 $742.38
K241A6 4.310 1.120 4.250
4.500
4.750
6.535
6.800
6.700
525 48.4
Hollow
14.8
15.8
16.7
14.1
15.0
15.8
13.3
14.2
15.0
12.7
13.6
14.3
$742.38
K241A100 4.350 $742.38
K241A125 4.375 $742.38
 
 
 
 
 
 
 
 

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