BTR Engine Covers, LS Applications

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BTR Engine Covers, LS Applications BTR-61243- BTR LS1 Timing Cover - Like GM 12561243 Replacement aluminum timing chain cover, no sensor provision for rear-mount cam sync sensor or crank trigger applications. Fits Gen 3 & 4 LS engines and includes front seal. BTR-33906- BTR LS2/3/LSA Timing Cover - Like GM 12633906 Replacement aluminum timing cover with sensor, harness, bolts, gasket and crank seal. BTR-39250- BTR LS (All) Rear Engine Cover - This kit is similar to GM / Delco 12639250 Rear Main Seal Housing. Includes aluminum LS engine crankshaft rear seal housing, hardware, seal and gasket, Will not fit LSX blocks (Check with aftermarket block supplier for fitment) BTR-98832- BTR GenIV Valley Cover - Perfect for replacing a Gen 4 LS engine cover for a DOD conversion without the PCV hookup of the traditional LS3 cover! Requires gasket ACDelco Part # 12610141 Show more