Mahle PowerPak Forged Flat Top Piston and Ring Set - 4.070 in Bore - 1.304 in Compression Height - 1.0 x 1.0 x 2.0 mm Ring Grooves - Minus 4.50 cc - GM GenV LT-Series Muffler Standard in and out ports

Standard in and out ports are 1/8-27 NPT

Now use the clay bar everybody wants

Simple design only uses two pieces

Throttle Stop for Holley(R) 4150-style

6 AN Hose End to 9/16-18 in Male

Mahle PowerPak Forged Flat Top Piston and Ring Set - 4.070 in Bore - 1.304 in Compression Height - 1.0 x 1.0 x 2.0 mm Ring Grooves - Minus 4.50 cc - GM GenV LT-Series Muffler Standard in and out portsProduct Description: Piston and Ring PowerPak Flat Top 4. 070 in Bore 1. 304 in Compression Height 1. 0 x 1. 0 x 2. 0 mm Ring Grooves Minus 4. 50 cc GM GenV LT 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,