Mahle PowerPak Forged Flat Top Piston and Ring Set - 4.050 in Bore - 1.250 in Compression Height - 1.0 x 1.0 x 2.0 mm Ring Grooves - Minus 4.10 cc - Small Block Chevy WRC-29009 Quick Turn Springs 1" x

Quick Turn Springs 1" x

370 in Bore

No port profiling or bowl blending of ports

18 ft Red / 18 ft Black

Installation of these brackets requires the use of new stock OE 4th-gen F-body LS engine mounts (ex: GM 22179268 or Anchor 3064) or aftermarket polyurethane inserts (Prothane 7-512 or Energy Suspension 3-1151 Compatible with Holley Accessory Drive System P/N 20-136 or equivalent in all spacings

Mahle PowerPak Forged Flat Top Piston and Ring Set - 4.050 in Bore - 1.250 in Compression Height - 1.0 x 1.0 x 2.0 mm Ring Grooves - Minus 4.10 cc - Small Block Chevy WRC-29009 Quick Turn Springs 1" xProduct Description: Piston and Ring PowerPak Flat Top Forged Flat Top 4. 050 in Bore 1. 250 in Compression Height 1. 0 x 1. 0 x 2. 0 mm Ring Grooves Minus 4. 10 cc Small Block Chevy 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