Mahle PowerPak Forged Flat Top Piston and Ring Set - 4.005 in Bore - 1.330 in Compression Height - 1.0 x 1.0 x 2.0 mm Ring Grooves - Minus 5.80 cc - GM LS-Series RAN98517 OD and 2-1

OD and 2-1

BEFORE you install them in the wheels

The rpm limit is adjustable with plug-in modules and the wiring is routed into NASCAR approved Deutsch style MSD connectors

improving throttle response and providing a broad torque curve

3/4 in Smooth Bore to 13/16 in 36 Spline

Mahle PowerPak Forged Flat Top Piston and Ring Set - 4.005 in Bore - 1.330 in Compression Height - 1.0 x 1.0 x 2.0 mm Ring Grooves - Minus 5.80 cc - GM LS-Series RAN98517 OD and 2-1Product Description: Piston and Ring PowerPak Forged Flat Top 4. 005 in Bore 1. 330 in Compression Height 1. 0 x 1. 0 x 2. 0 mm Ring Grooves Minus 5. 80 cc GM LS Series For over 80 years, MAHLE has numbered among the leading international manufacturers of high quality components for the automotive engine industry. From powering the Champions in the world's premier racing series to delivering winning performance at local dirt tracks around the country,