Enginetech Piston Set - Part Number P1505(6)

Part Interchange:

Interchanges with Silvolite 3445 and FEL-PRO 640P.

Compatibility Chart

Type	Brand	Engine Description	Year Range	Additional Details
Car	GM	4.3L / 262 OHV V6 12V "Z" Chev. 4.000" Bore 85-93	85-93	"Z". Dish top .080" deep. 1.540" CH. Use R40056 or M40056 rings.
MARINE	GM	4.3L / 262 OHV V6 12V Chev. 4.000" Bore 88-95	High Perf.	Engines before 96. Dish top .080" deep. 1.540" CH. Use R40056 or M40056 rings.
TRUCK, VAN, SUV	GM, CHEVROLET	4.3L / 262 OHV V6 12V "B,N,W,X,Z" Chev. 4.000" Bore 85-14	85-95	"N,Z". Dish top .080" deep. 1.540" CH. Ex. LPG. Use R40056 or M40056 rings.

Piston Attributes

Attribute	Value
Top Ring Size	5/64 in
Second Ring Size	5/64 in
Oil Ring Size	3/16 in
Pin Diameter	0.9273 in
Bore Diameter (at Standard)	4.000 in / 101.60 mm
Alloy	Standard
Clearance	0.0020 in
Compression Height	1.542 in
Crown	23
Measuring Height	0.723 in
Nominal Compression Ratio	9.0:1
Pin Type	P
Recess Depth	0.080 in

Features:

• Compensates for oversized bores and head/deck milling from 0.010" to 0.020".
• Includes piston pins and piston pin clips where required.
• Manufactured with state-of-the-art materials to match OE requirements.
• Offers cast aluminum, hypereutectic, and forged applications.
• Skirt coatings, anodized heads, and NI-resist inserts used as required.

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.