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Main >> Pistons >> Wiseco Pistons >> Pro Tru Chevy >> 502
 

Pro Tru Piston Kits - Chevy
502/540 Cubic Inch Mini Dome
Included: Forged Pistons, Hastings Hi-Tensile Plasma Rings, Chrome Moly Wrist Pins and Spire Loxs 

Precision reamed pin fit wrist pin hole.
CNC machined symmetrical domes.
Pressure fed pin oiling.
Oversized, symmetrical radius valve pockets.
 
Part# Bore Size Stroke Rod Length Comp Height Dome Vol. Comp Ratio
w/119cc Head
Price/
Set
502
PT077H04 4.470 4.000 6.135 1.645 3.8 8.9:1 $569
PT077H3 4.500 4.000 6.135 1.645 3.8 9.0:1 $569
540
PT078HS 4.500 4.250 6.135 1.520 4.5 9.5:1 $569
PT078H3 4.530 4.250 6.135 1.520 4.5 9.6:1 $569
PT078H6 4.560 4.250 6.135 1.520 4.5 9.9:1 $569
 
 
 
 
 
 
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