We stock replacement press fit valve stem seat/seals and press fit seals for all the aluminum head pushrod 60V6 engines.
.500” ID for the LZ4/LZ9 heads
.520” for the Gen 2 and 94-99 3100
.553” 2000+ 3100 and all 3400/3500 LX9
Stock replacement seat/seal combo is recommended for stock builds, Stage 2 springs on the .520” and .553” heads. Stage 3 springs on the .500” heads.
Press fit is used for aftermarket seats such as those for using stage 3 springs on the .520” and .553” heads, or double springs on the .500” heads.
All seals are Viton for best performance and durability.
We stock replacement press fit valve stem seat/seals and press fit seals for all the aluminum head pushrod 60V6 engines.
.500” ID for the LZ4/LZ9 heads
.520” for the Gen 2 and 94-99 3100
.553” 2000+ 3100 and all 3400/3500 LX9
Stock replacement seat/seal combo is recommended for stock builds, Stage 2 springs on the .520” and .553” heads. Stage 3 springs on the .500” heads.
Press fit is used for aftermarket seats such as those for using stage 3 springs on the .520” and .553” heads, or double springs on the .500” heads.
All seals are Viton for best performance and durability.
