Product Information

These are the replacement springs for the LS6 Yellow Springs, though not an exact match.  Max lift is .490.  90# @ 1.8" 295# @ 1.250" 

These require LS1 seats and the old style valve stem seals found on the GM 2.2 pushrod and 3.1 MPFI motors.  We have sourced our own seals that press onto the guide for the best fitment possible.  Both the seats and seals are available below.

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Price: $69.99

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