{"product_id":"btr-ls-pds-stage-3-torque-camshaft-1-8-rocker-ratio","title":"BTR LS PDS Stage 3 Torque Camshaft - 1.8 Rocker Ratio","description":"\u003cp\u003eThis Brian Tooley Racing PDS Stage 3 Torque cam is the 1.8-ratio-rocker version for compatible Gen III\/IV LS positive-displacement-supercharged builds. It emphasizes low\/midrange torque with an aggressive idle and top-end capability. BTR recommends E85.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSKU: BTR-PDSSTAGE3TQ18\u003c\/li\u003e\n\u003cli\u003e226\/25X duration; .644\/.644-inch lift; 112.5 LSA\u003c\/li\u003e\n\u003cli\u003eIntake lobe lift at TDC: .06025\u003c\/li\u003e\n\u003cli\u003eHydraulic roller; three-bolt attachment\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eEngine and vehicle fitment\u003c\/h3\u003e\u003cp\u003eEngine-family references include LSA-powered 2009–2015 Cadillac CTS-V and 2012–2015 Chevrolet Camaro ZL1, but this grind requires a compatible 1.8-ratio rocker setup. It is not a drop-in match for their stock rocker configuration. Other LS swaps require the correct supercharger and valvetrain combination.\u003c\/p\u003e\u003cp\u003eVerify rocker geometry, springs, pushrod length, piston-to-valve and retainer clearances, fuel system and calibration. Camshaft only; rockers, springs and installation parts are not included.\u003c\/p\u003e\u003cp\u003eEstimated shipping weight: 15 lb, inferred from BTR’s US catalog weight entry. BTR lists dimensions 24 × 3 × 3 without units; a provisional 24 × 4 × 4-inch shipping package is used. Final packed measurements may vary.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"https:\/\/briantooleyracing.com\/btr-pds-stage-3-torque-camshaft-for-1-8-rocker.html\"\u003eBTR manufacturer specifications\u003c\/a\u003e. Manufacturer image is representative.\u003c\/p\u003e","brand":"Brian Tooley Racing","offers":[{"title":"Default Title","offer_id":55692145230143,"sku":"BTR-PDSSTAGE3TQ18","price":409.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0760\/2041\/6831\/files\/btr-lsx-hero_39_36475f7d-0f9e-41e4-a0e3-c47d755a4567.jpg?v=1790101191","url":"https:\/\/smgspeed.com\/products\/btr-ls-pds-stage-3-torque-camshaft-1-8-rocker-ratio","provider":"SMGspeed","version":"1.0","type":"link"}