Collection: EngineQuest
Family-owned & operated since 1949, EQ Cores & Recycling and EngineQuest are known for outstanding customer service & a high degree of integrity. The cornerstones of their business model are innovation, value, quality, & environmental responsibility. They always look to exceed customers’ expectations, with the highest quality products & services, at competitive prices.

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EngineQuest Chrysler 2.6L 4G54B 2 Valve SOHC Cylinder Head EQ-CH154N
Part # EQ-CH154NVendor:ENGINEQUESTRegular price $384.69 USDRegular priceUnit price / per$517.00 USDSale price $384.69 USDSale -
EngineQuest Chevy 4.3L Cylinder Head - New Old Stock EQ-CH262NO
Part # EQ-CH262NOVendor:ENGINEQUESTRegular price $382.14 USDRegular priceUnit price / per$429.35 USDSale price $382.14 USDSale -
EngineQuest Chevy 5.0L 5.7L 1969-95 Cast Iron Marine Intake EQ-IN350MB
Part # EQ-IN350MBVendor:ENGINEQUESTRegular price $381.55 USDRegular priceUnit price / per$428.71 USDSale price $381.55 USDSale -
EngineQuest Ford 232 300 255 302 351W Oil Filter Adaptor - Bulk EQ-OFA302BLK
Part # EQ-OFA302BLKVendor:ENGINEQUESTRegular price $379.39 USDRegular priceUnit price / per$510.00 USDSale price $379.39 USDSale -
EngineQuest Toyota 22RE Cylinder Head EQ-CH144N
Part # EQ-CH144NVendor:ENGINEQUESTRegular price $378.79 USDRegular priceUnit price / per$510.00 USDSale price $378.79 USDSale -
EngineQuest Chevy 4.3L Cylinder Head EQ-CH262NC
Part # EQ-CH262NCVendor:ENGINEQUESTRegular price $377.14 USDRegular priceUnit price / per$423.85 USDSale price $377.14 USDSale -
EngineQuest Chevy 5.0L 5.7L 1996-02 Cast Iron Marine Intake EQ-IN350MA
Part # EQ-IN350MAVendor:ENGINEQUESTRegular price $376.55 USDRegular priceUnit price / per$423.21 USDSale price $376.55 USDSale -
EngineQuest Ford FE Rocker Arm Shaft Assembly - Non Adjustable EQ-RA360N
Part # EQ-RA360NVendor:ENGINEQUESTRegular price $371.64 USDRegular priceUnit price / per$500.00 USDSale price $371.64 USDSale -
EngineQuest Engine Rocker Arm EQ-RA294P
Part # EQ-RA294PVendor:ENGINEQUESTRegular price $364.94 USDRegular priceUnit price / per$491.00 USDSale price $364.94 USDSale -
EngineQuest Ford 4.0L Closed Chamber Cylinder Head EQ-CH244C
Part # EQ-CH244CVendor:ENGINEQUESTRegular price $340.09 USDRegular priceUnit price / per$458.00 USDSale price $340.09 USDSale -
EngineQuest Pipe Plug EQ-SPM376
Part # EQ-SPM376Vendor:ENGINEQUESTRegular price $325.79 USDRegular priceUnit price / per$440.00 USDSale price $325.79 USDSale -
EngineQuest Pipe Plug EQ-SPM375
Part # EQ-SPM375Vendor:ENGINEQUESTRegular price $325.79 USDRegular priceUnit price / per$440.00 USDSale price $325.79 USDSale -
EngineQuest Oil Filter Adapter EQ-OFA346BLK
Part # EQ-OFA346BLKVendor:ENGINEQUESTRegular price $321.45 USDRegular priceUnit price / per$362.60 USDSale price $321.45 USDSale -
ENGINEQUEST Rocker Arm and Shaft Assembly Ford 352-428 FE EQ-RA360N
Part # EQ-RA360NVendor:ENGINEQUESTRegular price $319.99 USDRegular priceUnit price / per$351.99 USDSale price $319.99 USDSale -
EngineQuest Ford 1996-99 3.8L 1997-00 4.2L Timing Cover EQ-TC232EN
Part # EQ-TC232ENVendor:ENGINEQUESTRegular price $308.14 USDRegular priceUnit price / per$347.95 USDSale price $308.14 USDSale -
EngineQuest Ford 1988-95 3.8L Timing Cover W/ECC EQ-TC232DN
Part # EQ-TC232DNVendor:ENGINEQUESTRegular price $308.14 USDRegular priceUnit price / per$347.95 USDSale price $308.14 USDSale -
EngineQuest GM 2.4L Ecotec Cylinder Head EQ-CH146E
Part # EQ-CH146EVendor:ENGINEQUESTRegular price $293.99 USDRegular priceUnit price / per$332.39 USDSale price $293.99 USDSold out -
EngineQuest Chevy LS 4.8L 5.3L 6.0L 6.2L 2007-20 Oil Filter Adaptor - Bulk EQ-OFA294ABLK
Part # EQ-OFA294ABLKVendor:ENGINEQUESTRegular price $283.00 USDRegular priceUnit price / per$320.30 USDSale price $283.00 USDSale -
EngineQuest Chevy 3/8 Screw In Rocker Stud Chevy Small Block - Bulk EQ-SISBLK
Part # EQ-SISBLKVendor:ENGINEQUESTRegular price $278.24 USDRegular priceUnit price / per$315.06 USDSale price $278.24 USDSale -
EngineQuest Toyota 3YEC 4YEC Cylinder Head EQ-CH136N
Part # EQ-CH136NVendor:ENGINEQUESTRegular price $275.74 USDRegular priceUnit price / per$312.31 USDSale price $275.74 USDSale -
EngineQuest Chevy 1992-98 305 350 454 502 Oil Filter Adaptor Gen5 6 - Bulk EQ-OFA454BLK
Part # EQ-OFA454BLKVendor:ENGINEQUESTRegular price $275.45 USDRegular priceUnit price / per$312.00 USDSale price $275.45 USDSale -
EngineQuest Pipe Plug EQ-SPM251
Part # EQ-SPM251Vendor:ENGINEQUESTRegular price $240.69 USDRegular priceUnit price / per$273.76 USDSale price $240.69 USDSale -
EngineQuest Pipe Plug EQ-SPM250
Part # EQ-SPM250Vendor:ENGINEQUESTRegular price $240.69 USDRegular priceUnit price / per$273.76 USDSale price $240.69 USDSale -
EngineQuest Chevy 305 350 Roller Lifter Guide - Bulk EQ-RLG350BLK
Part # EQ-RLG350BLKVendor:ENGINEQUESTRegular price $234.54 USDRegular priceUnit price / per$266.99 USDSale price $234.54 USDSale