Mahle PowerPak Forged Dome Piston and Ring Set - 4.095 in Bore - 1.211 in Compression Height - 1.0 x 1.0 x 2.0 mm Ring Grooves - Plus 3.60 cc - Mopar Gen III Hemi QRP61-826-011 The control knob mounts to

The control knob mounts to the dash board for easy and accurate tim┬ ¡ing adjustments up to 15 degrees

They're ideal to prevent overheating in street rods and street machines

Durable Powdercoat Finish

Impact absorbing rubber bushings with steel core are used to mount Mustang style racks

Mahle PowerPak Forged Dome Piston and Ring Set - 4.095 in Bore - 1.211 in Compression Height - 1.0 x 1.0 x 2.0 mm Ring Grooves - Plus 3.60 cc - Mopar Gen III Hemi QRP61-826-011 The control knob mounts toProduct Description: Piston and Ring PowerPak Forged Dome 4. 095 in Bore 1. 211 in Compression Height 1. 0 x 1. 0 x 2. 0 mm Ring Grooves Plus 3. 60 cc Mopar Gen III Hemi 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