{"product_id":"s-s-cycle-cam-chest-breather-valve-030-oversize-part-33-4242","title":"S\u0026S Cycle Cam Chest Breather Valve.030 Oversize 33-4242","description":"\u003cdiv\u003e\n\u003ch1\u003eIncrease Airflow and Sealing with the S\u0026amp;S Cycle Cam Chest Breather Valve +.030 Oversize (33-4242) for 1979–1984 Harleys\u003c\/h1\u003e\n\u003cp\u003eIncrease airflow and sealing in 1979–1984 Harley‑Davidson engines with the S\u0026amp;S Cycle Cam Chest Breather Valve +.030 Oversize (33-4242). Designed as a direct replacement, this valve upgrades breathing efficiency and supports smoother operation and longevity.\u003c\/p\u003e\n\u003cp\u003eOversize diameter of +.030 delivers a better seal and improved airflow, contributing to enhanced engine breathing under load and at higher RPMs.\u003c\/p\u003e\n\u003cp\u003eMade in the USA, this breather valve is built for durability and reliable performance as part of a classic engine upgrade strategy.\u003c\/p\u003e\n\u003cp\u003eFor proper fit and sealing, this component is compatible with the S\u0026amp;S Breather Cam Chest Washer Set (#12-9909) and Valve Washer Set (#12-1510). Installation is recommended using the Jims Breather Ream Tool (SKU 16-0695) to ensure a clean, precise cut and maximum effectiveness.\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eOversize: +.030 for improved airflow and sealing\u003c\/li\u003e \u003cli\u003eCompatibility: Fits 1979–1984 Harley‑Davidson FL and FX models\u003c\/li\u003e \u003cli\u003eMade in the USA\u003c\/li\u003e \u003cli\u003eIncludes compatibility with S\u0026amp;S Breather Cam Chest Washer Set and Valve Washer Set (#12-9909, #12-1510)\u003c\/li\u003e \u003cli\u003eInstallation: Use Jims Breather Ream Tool (SKU 16-0695) for best results\u003c\/li\u003e \u003cli\u003eDirect replacement to support restoration or performance tuning\u003c\/li\u003e\n\u003c\/ul\u003eS\u0026amp;S cam chest breather valve +.030 oversize.\n\u003cp\u003eUpgrade your Harley Davidson engine with the S\u0026amp;S Cycle Cam Chest Breather Valve +.030 Oversize, part number 33-4242. Designed specifically for models from 1979 to 1984, this high-quality component enhances engine breathing efficiency and performance. Crafted in the USA, this breather valve is a vital upgrade for maintaining optimal engine function and longevity. Its precise oversize diameter ensures a better seal and improved airflow, which can contribute to increased horsepower and smoother operation. The breather valve is compatible with the recommended #12-9909 S\u0026amp;S Breather Cam Chest Washer Set and #12-1510 Cam Chest Breather Valve Washer Set, ensuring a proper fit and seal when installed correctly. Proper installation is recommended using the Jims Breather Ream Tool, SKU 16-0695, for a clean and precise fit, maximizing the effectiveness of the upgrade. This component is a direct replacement that maintains the reliability and durability expected from S\u0026amp;S Cycle products, making it an excellent choice for both restoring vintage engines and tuning performance in custom builds.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003eOversize: +.030 for improved airflow and sealing\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eMaterial: High-quality components built for durability\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eCompatibility: Fits 1979-1984 Harley Davidson FL and FX models\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eMade in the USA: Ensures premium quality and craftsmanship\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eIncludes: Compatible with S\u0026amp;S Breather Cam Chest Washer Set and Valve Washer Set\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eInstallation Notes: Use with Jims Breather Ream Tool for optimal fit\u003c\/li\u003e\u003c\/ul\u003e\n\u003cbr\u003e\nFitment:\u003cbr\u003e\nHarley Davidson FL 1979\u003cbr\u003e\nHarley Davidson FL 1980\u003cbr\u003e\nHarley Davidson FL 1981\u003cbr\u003e\nHarley Davidson FL 1982\u003cbr\u003e\nHarley Davidson FL 1983\u003cbr\u003e\nHarley Davidson FL 1984\u003cbr\u003e\nHarley Davidson FLST 1986\u003cbr\u003e\nHarley Davidson FLST 1987\u003cbr\u003e\nHarley Davidson FLST 1988\u003cbr\u003e\nHarley Davidson FLST 1989\u003cbr\u003e\nHarley Davidson FLST 1990\u003cbr\u003e\nHarley Davidson FLST 1991\u003cbr\u003e\nHarley Davidson FLST 1992\u003cbr\u003e\nHarley Davidson FLST 1993\u003cbr\u003e\nHarley Davidson FLST 1994\u003cbr\u003e\nHarley Davidson FLST 1995\u003cbr\u003e\nHarley Davidson FLST 1996\u003cbr\u003e\nHarley Davidson FLST 1997\u003cbr\u003e\nHarley Davidson FLST 1998\u003cbr\u003e\nHarley Davidson FLT 1979\u003cbr\u003e\nHarley Davidson FLT 1980\u003cbr\u003e\nHarley Davidson FLT 1981\u003cbr\u003e\nHarley Davidson FLT 1982\u003cbr\u003e\nHarley Davidson FLT 1983\u003cbr\u003e\nHarley Davidson FLT 1984\u003cbr\u003e\nHarley Davidson FLT 1985\u003cbr\u003e\nHarley Davidson FLT 1986\u003cbr\u003e\nHarley Davidson FLT 1987\u003cbr\u003e\nHarley Davidson FLT 1988\u003cbr\u003e\nHarley Davidson FLT 1989\u003cbr\u003e\nHarley Davidson FLT 1990\u003cbr\u003e\nHarley Davidson FLT 1991\u003cbr\u003e\nHarley Davidson FLT 1992\u003cbr\u003e\nHarley Davidson FLT 1993\u003cbr\u003e\nHarley Davidson FLT 1994\u003cbr\u003e\nHarley Davidson FLT 1995\u003cbr\u003e\nHarley Davidson FLT 1996\u003cbr\u003e\nHarley Davidson FLT 1997\u003cbr\u003e\nHarley Davidson FLT 1998\u003cbr\u003e\nHarley Davidson FX 1979\u003cbr\u003e\nHarley Davidson FX 1980\u003cbr\u003e\nHarley Davidson FX 1981\u003cbr\u003e\nHarley Davidson FX 1982\u003cbr\u003e\nHarley Davidson FX 1983\u003cbr\u003e\nHarley Davidson FX 1984\u003cbr\u003e\nHarley Davidson FXD 1991\u003cbr\u003e\nHarley Davidson FXD 1992\u003cbr\u003e\nHarley Davidson FXD 1993\u003cbr\u003e\nHarley Davidson FXD 1994\u003cbr\u003e\nHarley Davidson FXD 1995\u003cbr\u003e\nHarley Davidson FXD 1996\u003cbr\u003e\nHarley Davidson FXD 1997\u003cbr\u003e\nHarley Davidson FXD 1998\u003cbr\u003e\nHarley Davidson FXR 1982\u003cbr\u003e\nHarley Davidson FXR 1983\u003cbr\u003e\nHarley Davidson FXR 1984\u003cbr\u003e\nHarley Davidson FXR 1985\u003cbr\u003e\nHarley Davidson FXR 1986\u003cbr\u003e\nHarley Davidson FXR 1987\u003cbr\u003e\nHarley Davidson FXR 1988\u003cbr\u003e\nHarley Davidson FXR 1989\u003cbr\u003e\nHarley Davidson FXR 1990\u003cbr\u003e\nHarley Davidson FXR 1991\u003cbr\u003e\nHarley Davidson FXR 1992\u003cbr\u003e\nHarley Davidson FXR 1993\u003cbr\u003e\nHarley Davidson FXR 1994\u003cbr\u003e\nHarley Davidson FXST 1984\u003cbr\u003e\nHarley Davidson FXST 1985\u003cbr\u003e\nHarley Davidson FXST 1986\u003cbr\u003e\nHarley Davidson FXST 1987\u003cbr\u003e\nHarley Davidson FXST 1988\u003cbr\u003e\nHarley Davidson FXST 1989\u003cbr\u003e\nHarley Davidson FXST 1990\u003cbr\u003e\nHarley Davidson FXST 1991\u003cbr\u003e\nHarley Davidson FXST 1992\u003cbr\u003e\nHarley Davidson FXST 1993\u003cbr\u003e\nHarley Davidson FXST 1994\u003cbr\u003e\nHarley Davidson FXST 1995\u003cbr\u003e\nHarley Davidson FXST 1996\u003cbr\u003e\nHarley Davidson FXST 1997\u003cbr\u003e\nHarley Davidson FXST 1998\u003c\/div\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":44650785112106,"sku":"12-9957","price":148.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0692\/2285\/8794\/files\/12-9957.jpg?v=1785818567","url":"https:\/\/atticusgoods.com\/products\/s-s-cycle-cam-chest-breather-valve-030-oversize-part-33-4242","provider":"Atticus Goods","version":"1.0","type":"link"}