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The 'Retro' means that they take GM rocker arms
- Small bore 396 version available- Parts kit included for Big M
It is there where the cylinder walls receive a boost-specific surface finish to ensure perfect ring seating
Callies Apex center counterweighted crankshaft
The rods may be Callies or Manley while the pistons are Manley or Diamond depending upon availability
Diamond 21544-RS-8 LS2K 15 Dish Series Pistons Homepage Products The 'Retro' means that theyThese Diamond 21544 RS 8 LS2K 15 Dish Series pistons are are for most of our boosted 427ci LS builds (4. 00" stroke, 4. 125" bore, 6. 125" rod length). These 2618 aluminum pistons are not only significantly lighter than the factory pistons but also superior in strength. The 2618 alloy is specifically for high horsepower, nitrous, and boosted engines making up to 2,000 hp. Diamond Pistons Race Series pistons feature:* 3D milling on piston crowns for
US$ 72.00
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