|  |   Wiseco Forged Pistons
Wiseco uses the absolute latest technology, including 3D computer-aided design and finite element modeling, to ensure the greatest strength and lightest weight for each application.
We usually stock standard-bore and .020" overbore pistons. Other bore sizes will be special-order and will take a few weeks to get.
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 | Wiseco Pistons 6-bolt stock compression 21mm wrist pin. Effective compression ratio 8.1:1 to 8.3:1.

|  |  | Wiseco pistons 6-bolt high-compression Effective compression ratio 8.9:1 to 9.1:1. 21mm wrist pin.

|  |  | Wiseco Pistons 6-bolt with stroker crank 21mm wrist pin. Effective compression ratio 8.65:1 - 8.8:1.

|  |  | Wiseco pistons 7-bolt stock compression 22mm wrist pin. Effective compression ratio 8.1:1 to 8.3:1.

|  |  | Wiseco pistons 7-bolt high compression Effective compression ratio 8.9:1 to 9.1:1. 22mm wrist pin.

|  |  | Wiseco pistons 7-bolt with stroker (4G64) crank Effective compression ratio 8.75:1. 22mm wrist pin.

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