Enginetech Single Piston - Part Number P1505(1)

Part Interchange:

Interchanges with Silvolite 1470, 3445 and FEL-PRO 423NP, 640P.

Compatibility Chart

Type	Brand	Engine Description	Year Range	Additional Details
MARINE	GM	5.7L / 350 OHV V8 16V Chev. Gen I Small Block 4.000" Bore	High Perf.	Dish top .080" deep. 1.540" CH. Use R40056 or M40056 rings.
Car	GM	4.1L / 250 OHV L6 12V Chev. 3.875" Bore 65-79	69-72	Dish top .080" deep. 1.540" CH. Use R40056 or M40056 rings.
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.
Car	GM	4.3L / 262 OHV V6 12V "Z" Chev. 4.000" Bore 85-93	86-87	Dish top .080" deep. 1.540" CH. Use R40056 or M40056 rings.
Car	GM	5.7L / 350 OHV V8 16V Chev. 4.000" Bore 67-97	67-90	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.	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.
TRUCK, VAN, SUV	GM, CHEVROLET	5.7L / 350 OHV V8 16V Chev. 4.000" Bore 68-02	71-95	Dish top .080" deep. 1.540" CH. Use R40056 or M40056 rings.

Piston Attributes

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