Including properly matched quality dual valve springs, 7 degree locks, viton seals, hardened seats and chromemoly steel retainers, this spring kit is ready to bolt onto LS heads with aggressive cams with up to .660" valve lift. User 1 Catalog
Delivery Times
Most Items are in stock and ship or can be picked up within 2-3 days. Made to order and special order items will take longer.
If an item has an extended ETA see product description for more info. To obtain the latest ETA please contact sales@smgspeed.com or use our live chat.