700hp Super-Sized Rat
A 540 creates its displacement not only from the 4.25-inch-stroke increase but also from the monstrous 4.500-inch bore. This called for SRP forged pistons featuring a Total Seal 1⁄16-inch ring package with a 3⁄16-inch oil ring. Tim pinned the pistons to a set of Scat 4340 forged H-beam 6.135-inch rods to complete the rotating assembly. View Related Article
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