PLATINUM SERIES LIGHTWEIGHT PISTONS
Manley pistons are machined of high strength 2618 material. Each design is lightweight yet robust enough to deliver long service life. Perfect ring groove to skirt squareness is achieved through our unique "one fixturing" manufacturing method that assures maximum horsepower. Roundwire locks, tool steel wrist pins and pressure balance grooves are included with every set at no additional charge. These 6.5cc DISHED pistons have a 1.220" compression height and weigh 362 grams and are designed to fit all 4.6 and 5.4 3V engines. FOR YOUR COMPRESSION RATIO WITH THESE PISTONS PLEASE SEE THE CHART BELOW
NOW WITH FULLY COATED SKIRTS!
Dish Volume: 6.5cc
Top Ring: 1.5 mm, .220" down
Second Ring: 1.5 mm
Oil Ring: 3 mm
Deck Thickness: .185"
Pin Included: tool steel P/N 42203 ( .120" wall, 88 grams, 2.500" long )
Round Wire Locks: P/N 42270 - .061" wide
Recommended Piston Clearance: .003" measured .850" from bottom of the oil ring
|
COMPRESSION RATIOS |
3V HEADS |
|
6.5cc Dished with 4.6 Engine |
9.86:1 |
|
6.5cc Dished with 5.4 Engine |
9.33:1 |
