Manley pistons are machined of high strength 2618 material. Each design is lightweight yet robust enough to deliver long service life. Offset wrist pin design is utilized for quiet start-ups. Perfect ring groove to skirt squareness is achieved through a unique "one fixturing" manufacturing method that assures maximum horsepower.
Round wire locks, premium chrome moly wrist pins, and premium steel top ring sets from Total Seal are included with every kit at no additional charge. 9310 alloy upgraded wrist pins are available.
- Lightweight design with offset wrist pin
- Premium steel top ring sets and round wire locks included
- Made for +1mm valve sizes
- Pressure balance groove
81/81.5mm Standard Stroke Piston Specifications:
- Bore Size : 81mm or 81.5mm
- Over Size : OEM or + .5mm
- Rod Length : 138mm
- Stroke : 87.2mm
- Comp Distance : 1.181"
- Dome Volume : -9.3cc
- Comp Ratio : 9.0:1
- Piston Type : Dish
- Piston Weight : 290 grams
This piston is available in your choice of two Bore Sizes. Please make your selection below.NOTE:
Recommended piston clearance .0040" measured 1.100" from the bottom of the oil ring.
Other Part Numbers:
Due to the intended usage of the products sold by Manley Performance Products, Inc., they are sold WITHOUT WARRANTY OR ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR THE INTENDED PURPOSE. Manley Performance Products, Inc. shall not, under any circumstances, be liable for any special, consequential or incidental damages, including but not limited to loss of profits or revenue, loss of other property or equipment, cost of purchased or replacement of goods, or claims by customers of the purchaser, which may arise and/or result from the sale, installation or use of these parts. Installation of parts intended for “off-highway” use could adversely affect the vehicle manufacturer’s warranty coverage. Subject to applicable state law. Some items may not be legal for use in California on pollution controlled vehicles. All weights specified are approximate and subject to manufacturing tolerances. Manley Performance Products, Inc. reserves the right to make changes in design, specifications, materials, or make product changes without incurring liability or obligation with respect to similar product previously manufactured. If technical advice is offered or given in connection with the use of any Products it will be as an accommodation to Buyer and without charge and Seller shall have no responsibilities or liabilities whatsoever for the content or use of such advice.