For All Your High Performance Needs

For All Your High Performance Needs

Mahle SBC550040I20 Forged Inverted Dome Pistons 4.040 Bore

SKU: SBC550040I20

Regular Price: $782.86

Special Price $665.43

Availability: Out of stock

Quick Description

Small Block Chevy, Bore 4.040, Stroke 3.480/3.500, Rod Length 5.700, Inverted Dome -20cc, 485 Grams, Set of 8
The Mahle PowerPak was designed as a completely finished drop in piston assembly. Other then filling the included performance ring set, everything is done for you. Designed from 80+ years of piston manufacturing for everything from OEM to Formula1, only the best technology is used to make these pistons. They are forged from 4032 or 2618 aluminum alloys to suite specific needs for strength and durability. Forced Pin Oiling is used for increased wrist pin lubrication. Pin bores are CNC precision machined. .927" High Quality Steel Wrist Pin (118g), Performance 1.5, 1.5, 3.0mm rings, and Race Proven Round Wire Locks are included.

Compression Ratio with 64cc Heads 8.9
Quick Information

Additional Information

SKU SBC550040I20
Manufacturer Mahle
Vehicle Make Chevy SB
Bore Size 4.040
Wrist Pin Size 0.927
Piston Material 4032 Forged Aluminum
Compression Height 1.550
Piston Ring Size 1.5 1.5 3.0mm
Piston Type Dish/Inverted Dome
Rod Length 5.700
Crankshaft Stroke 3.480/3.500
List price No