KB Performance, 88" To 95" Big Bore Piston Set. +.040" For Harley Davidson

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" (3-7/8")
/ 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.

Fits: > 99-06 TCA/B(NU)