SKU: RTP1001711
MPN: 1001711
The GM LS Piston Set 4.030 Bore -20.7cc by RACE TEC PISTONS is designed specifically for LS engine builders and performance enthusiasts. This piston set is essential for those assembling custom short-blocks or complete engine rebuilds, particularly in Gen III/IV LS platforms that require precise piston-to-bore clearance.
Engineered with a -20.7cc bowl volume, these pistons increase the static compression ratio, which is crucial for naturally aspirated builds aiming for enhanced thermal efficiency. The precision-cast construction ensures tight tolerances and consistent weight across the set, promoting effective ring sealing under various operating conditions.
LS engine builders, street rod fabricators, and dedicated track enthusiasts will find this piston set particularly beneficial when engineering custom displacement builds or refreshing high-mileage blocks, ensuring reliable performance in demanding applications.
WARNING ⚠️ You must be 18 or older to purchase shotgun or rifle ammunition and 21 or older to purchase handgun ammunition and firearms. Please reference our requirements for ammunition orders to "restricted" states HERE. Always make sure you use the correct ammunition for your firearms. Ammo cannot be shipped to a PO Box. Please reference state & local laws before making a firearm or ammunition purchase.
