{"product_id":"comp-cams-623-16-set-of-16-7-degree-machined-steel-8mm-single-groove-race-locks","title":"COMP Cams 623-16 Set of 16-7 Degree Machined Steel, 8mm, Single Groove Race Locks","description":"\u003cp\u003eThese Machined Steel Street Locks with single groove and 7 degree lock angle, along with 8mm valve stem size, are suitable for GM Gen III\/LS1\/LS2\/LS6 applications.\u003c\/p\u003e\u003cp\u003eIt is critically important to ensure that valve locks match the valve size.\u003c\/p\u003e\u003cp\u003eThere should always be a small gap between the two halves of the lock when they are properly positioned on the valve stem.\u003c\/p\u003e\u003cp\u003eIf the two halves fit together without a gap, they are too large.\u003c\/p\u003e\u003cp\u003eIf the locks fit tightly to the stem and leave a gap between the middle of the lock and the O.D.\u003c\/p\u003e\u003cp\u003eof the stem, the locks are too small.\u003c\/p\u003e\u003cp\u003eMost people believe that the tang inside a valve lock holds the retainer and valve spring in place while the engine is running.\u003c\/p\u003e\u003cp\u003eThis is not the case.\u003c\/p\u003e\u003cp\u003eThe cross-section of material in the tang is not strong enough to withstand open spring loads of 1000 pounds or more.\u003c\/p\u003e\u003cp\u003eThe sole purpose of the tang is to temporarily locate the lock, retainer, and spring relative to the valve until the taper of the retainer can nest around the outside surface of the lock.\u003c\/p\u003e\u003cp\u003eThis creates a “collet” effect that binds the two together.\u003c\/p\u003e\u003cp\u003eThe more spring force exerted on the retainer (as the valve opens), the more force applied by the “collet” effect to keep the retainer and lock in place.\u003c\/p\u003e","brand":"Comp Cams","offers":[{"title":"Default Title","offer_id":51722319429914,"sku":"COC623-16","price":58.85,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0975\/8942\/8506\/files\/515o7E4xMuL.jpg?v=1771619733","url":"https:\/\/trybeepbeep.com\/products\/comp-cams-623-16-set-of-16-7-degree-machined-steel-8mm-single-groove-race-locks","provider":"TryBeepbeep","version":"1.0","type":"link"}