Enginetech Single Piston - Part Number P1558(1)

Part Interchange:

Interchanges with Silvolite 1173D and Fed. Mogul H707P.

Compatibility Chart

Category	Make	Model	User Engine	Year Range	Notes
TRUCK, VAN, SUV	FORD		6.1L / 370 OHV V8 16V "7,C,H" 4.050" Bore 79-91	79-91	Flat top. 2.120" CH. Iron top ring groove. Use C40538 rings.

Piston Attributes

Attribute	Value
Top Ring Size	3/32 in
Second Ring Size	5/64 in
Oil Ring Size	3/16 in
Pin Diameter	1.0400 in
Bore Diameter (At Standard)	4.360 in / 110.74 mm
Alloy	Standard
Clearance	0.0027 in
Compression Height	2.140 in
Crown	40
Measuring Height	0.750 in
Nominal Compression Ratio	8.0:1
Pin Type	F
Recess Depth	None

Features:

• Compensates for oversized bores and head/deck milling from 0.010" to 0.020".
• All Enginetech pistons contain piston pins and piston pin clips where required.
• Manufactured with state-of-the-art materials to match OE requirements.
• Treatments such as skirt coatings, anodized heads, and NI-resist inserts are used as required.
• We offer cast aluminum, hypereutectic, and forged applications.

Warning:

This product may expose you to chemicals including Lead and Nickel, known to cause cancer and birth defects or other reproductive harm. For more information, visit www.p65warnings.ca.gov.