MAHLE 928906700T Piston Kit Flat Top (509cid 4.500 x 1.395CH, 4.000stroke, 6.385rod, 0.990pin, -3.4cc, 542g, 8.9CR, 4032) for CHEVROLET Big Block ymm_71 Made from 8740 chrome moly

Made from 8740 chrome moly steel

below shows our worst and best dyno run with an exhaust and tuning box in place

These fully polished T-304 stainless steel mufflers feature integrated polished tips and utilize BORLA's patented technology to improve exhaust flow

Recommended Ride Height Range (mm): Front -80 to -35

0-inch diameter aluminum tubing with K&N cone filter elements and 3-ply silicone couplers

MAHLE 928906700T Piston Kit Flat Top (509cid 4.500 x 1.395CH, 4.000stroke, 6.385rod, 0.990pin, -3.4cc, 542g, 8.9CR, 4032) for CHEVROLET Big Block ymm_71 Made from 8740 chrome molyBIG BLOCK CHEVY FLAT TOP Big Block Chevy PowerPak & PowerPak+ Piston Kits MAHLE Motorsport's PowerPak and PowerPak+ piston kits offer superior reliability and performance, letting you take your build to the next level. Backed by over 95 years of performance experience and using MAHLE manufactured machinery to offer advanced features found nowhere else, make no compromises, trust MAHLE Motorsport. Advanced Features Slipper Skirt Style Forgings: strong,