434 Stroker Build - W-Engine Revival - Part Two
|
The supplied single valve springs (left) rate 115 pounds on the seat and are rated for flat-tappet cams with up to 0.600 lift. Our Isky solid roller is significantly hotter so the stock springs are replaced with Comp double springs rated 220 pounds on the seat and 545 pounds at 0.650 lift (right). Isky 10-degree moly retainers and locks (PN 200-ST-10) protect against pull-through. View Related Article
|
|