midnightws6m6

does any one know if speed por makes forged pistons for ls1 ive looked and i cant find any

DONAIMIAN

iTrader: (18)

Check scoggin dickeys website.

helicoil

iTrader: (104)

L2621F 3.897" bore x 3.620" stroke 1.328" CD 1.5mm, 1.5mm, 3.0mm
flat 2 valve reliefs

L2640F 4.00" bore x 3.620" stroke 1..328" CD 1.5mm, 1.5mm, 3.0mm
flat 2 valve reliefs

There was also a couple of part numbers for a 4.00" crank

LW2625F 4.00" bore x 4" stroke 1.125" CD flat 2 valve reliefs 1.5mm, 1.5mm, 3.0mm

LW2624F 3.897" bore x 4.0" stroke 1.125" CD flat 2 valve reliefs 1.5mm, 1.5mm, 3.0mm

Not sure if the latter are available

RUNIN11Z

iTrader: (2)

Make sure you look at the pin dia. Believe me there is a difference....

JPH

iTrader: (2)

L2621F & L2640F should be for stock .944 pin. all others are .927 pin.