MERCRUISER

Cyl. Engine Bore	Years Comp. Ratio	NOTES:	Part No. Sizes	Rings	O.E. Assy. No.	O.E. Casting No.	Head Shape
L4-181 3.0L 4.000(IN) 101.6(MM) CHEVY ENGINE		Mercruiser reverse rotation marine engine. Hypereutectic, T6 heat treat. Not destroked. 3.20" dia. head recess .130" deep. APPROXIMATE HEAD VOLUME=16cc Comp. Ht. 1.625 Pin Dia..9273 Offset	HT1491 STD. .020 .030 .040 .060	2-5/64 1-3/16		3937758
L4-224 3.7L 4.360(IN) 110.7(MM) Mercury Marine ENGINE		Hypereutectic, Marine Engine. Flat head with 1 valve relief. Comp. Ht. 1.755 Pin Dia.1.0402 Center	3164H STD. .020 .030 .040 .060	2-5/64 1-3/16
V8-305 5.0L 3.736(IN) 94.9(MM) GM ENGINE		Marine application, circular head recess .140" deep, with 4 valve reliefs. Comp. Ht. 1.560 Pin Dia..9273 Offset	H3452** STD. .020 .030 .040 .060	2-5/64 1-3/16

* NEW PISTON, AVAILABLE NOW
**NEW PISTON, CHECK FOR AVAILABILITY
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