Mahle MS Piston Set GM LS 408ci 4.030in Bore 4in Stroke 6.125in Rod .927 Pin -4cc 11.6 CR Set of 8

If you're diving into an engine rebuild or looking to squeeze a bit more power out of your ride, the Mahle 930218130 pistons are worth considering. These aren't just any pistons; they're crafted from durable 4032 aluminum, which means they're built to last while keeping weight down. Weighing in at just 410 grams, they help lighten your engine setup, contributing to better overall efficiency.

With a bore of 4.030 inches and a stroke of 4.000 inches, these pistons are designed to fit a variety of setups. The rod length measures 6.125 inches, and the compression height is 1.105 inches. The piston pin diameter is 0.927 inches, and with a volume of -4 cc, you can expect a compression ratio of 11.6:1. This higher compression ratio typically means more power and better throttle response. The three-ring design (1mm, 1mm, 2mm) ensures effective sealing and helps maintain optimal combustion efficiency.