The
Piston
ALCO 251 is a combined piston with forged steel alloy crown and forged aluminium alloy skirt. Ring grooves are induction hardened and ground. The pistons have below P/Ns and specifications:
1.
Piston 24200424/
24200413, PISTON COMPLETE, MEXICAN HAT 11.5:1 RADIO.
2.
Piston 24200425/
24200427, PISTON COMPLETE, DEEP BOWL(DISHED TOP) 12.5:1 RATIO
3.
Piston 24200430, PISTON COMPLETE, SUPER BOWL 11.75:1 RATIO
4.
Piston 2421092, STEEL CROWN-BOLTED, DEEP BOWL(MEXICAN HAT)11.5:1 RATIO
5.
Piston 421093, STEEL CROWN-BOLTED, DISHED TOP 12.5:1 RATIO
6.
Piston 24200440/
24200423, ALUMINUM BODY, STRAIGHT SKIRT 11.5:1/12.5:1 RATIO, FORGED ALUMINUM