Description & Size Guide
88" to 95" big bore conversion. High compression (pop-up). 10.5:1 CR. Piston weight 437gr. Piston pin weight 97gr. / Head type: Dome. Dome -11.2cc / Compression height 1.270". Bore 3.875" / Stroke 4.000". Rod length 7.667" / Cyl. length 4.938". Comes with T5 heat treated 390 Hypereutectic cast pistons with 16% silicone levels which enables running a very tight clearance for longevity and hardly any piston noise. Note: Top compression ring will need additional clearance. See instructions.
99-06 TCA/B(NU)
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