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 3.7L Passenger Side D Chamber Cylinder Head EQ-CH226RN
Part # EQ-CH226RNVendor:ENGINEQUESTRegular price $493.29 USDRegular priceUnit price / per$551.62 USDSale price $493.29 USDSale -
EngineQuest Chrysler 3.7L Driver Side D Chamber Cylinder Head EQ-CH226LN
Part # EQ-CH226LNVendor:ENGINEQUESTRegular price $493.29 USDRegular priceUnit price / per$551.62 USDSale price $493.29 USDSale -
EngineQuest Chevy Cathedral Port LS Cylinder Head EQ-CH364A
Part # EQ-CH364AVendor:ENGINEQUESTRegular price $479.84 USDRegular priceUnit price / per$536.82 USDSale price $479.84 USDSale -
EngineQuest Toyota 3YEC 4YEC Cylinder Head - Assembled EQ-CH136NA
Part # EQ-CH136NAVendor:ENGINEQUESTRegular price $474.14 USDRegular priceUnit price / per$635.00 USDSale price $474.14 USDSale -
EngineQuest Ford 4.0L Closed Chamber Cylinder Head - Assembled EQ-CH244CA
Part # EQ-CH244CAVendor:ENGINEQUESTRegular price $472.59 USDRegular priceUnit price / per$528.85 USDSale price $472.59 USDSale -
EngineQuest Nissan K21 Crankshaft EQ-CSK21N
Part # EQ-CSK21NVendor:ENGINEQUESTRegular price $459.19 USDRegular priceUnit price / per$514.11 USDSale price $459.19 USDSale -
EngineQuest IMCA Sanctioned Sport Mod Head EQ-CH350I
Part # EQ-CH350IVendor:ENGINEQUESTRegular price $458.64 USDRegular priceUnit price / per$513.50 USDSale price $458.64 USDSale -
EngineQuest Chevy 5.7L 350 Vortec Cylinder Head EQ-CH350C
Part # EQ-CH350CVendor:ENGINEQUESTRegular price $458.64 USDRegular priceUnit price / per$513.50 USDSale price $458.64 USDSale -
EngineQuest Cylinder Head EQ-CH318B
Part # EQ-CH318BVendor:ENGINEQUESTRegular price $458.64 USDRegular priceUnit price / per$513.50 USDSale price $458.64 USDSale -
EngineQuest Chrysler 318 360 Magnum Cylinder Head EQ-CH318A
Part # EQ-CH318AVendor:ENGINEQUESTRegular price $458.64 USDRegular priceUnit price / per$513.50 USDSale price $458.64 USDSale -
EngineQuest Chevy 305 Vortec Cylinder Head EQ-CH305B
Part # EQ-CH305BVendor:ENGINEQUESTRegular price $458.64 USDRegular priceUnit price / per$513.50 USDSale price $458.64 USDSale -
EngineQuest Toyota 3VZ SOHC Cylinder Head Passenger Side EQ-CH181NP
Part # EQ-CH181NPVendor:ENGINEQUESTRegular price $457.29 USDRegular priceUnit price / per$512.02 USDSale price $457.29 USDSale -
EngineQuest Toyota 3VZ SOHC Cylinder Head Driver Side EQ-CH181ND
Part # EQ-CH181NDVendor:ENGINEQUESTRegular price $457.29 USDRegular priceUnit price / per$512.02 USDSale price $457.29 USDSale -
ENGINEQUEST SBC 305 Vortec Cylinder Head - Bare 96-up EQ-CH305B
Part # EQ-CH305BVendor:ENGINEQUESTRegular price $456.99 USDRegular priceUnit price / per$502.69 USDSale price $456.99 USDSale -
ENGINEQUEST SBC Cast Iron Head - 178cc S/P 76cc EQ-CH350I
Part # EQ-CH350IVendor:ENGINEQUESTRegular price $456.99 USDRegular priceUnit price / per$502.69 USDSale price $456.99 USDSale -
ENGINEQUEST SBC Cast Iron Head - 170cc S/P 64cc EQ-CH350C
Part # EQ-CH350CVendor:ENGINEQUESTRegular price $456.99 USDRegular priceUnit price / per$502.69 USDSale price $456.99 USDSale -
EngineQuest Ford FE Rocker Arm Shaft Assembly - Adjustable EQ-RA360NA
Part # EQ-RA360NAVendor:ENGINEQUESTRegular price $456.49 USDRegular priceUnit price / per$511.14 USDSale price $456.49 USDSale -
EngineQuest Mazda G6 2.6L B2600 Cylinder Head EQ-CH157N
Part # EQ-CH157NVendor:ENGINEQUESTRegular price $456.14 USDRegular priceUnit price / per$510.75 USDSale price $456.14 USDSale -
EngineQuest Chrysler 4G64 8 Valve Cylinder Head EQ-CH143A
Part # EQ-CH143AVendor:ENGINEQUESTRegular price $455.34 USDRegular priceUnit price / per$509.87 USDSale price $455.34 USDSale -
EngineQuest Pipe Plug EQ-SPM500
Part # EQ-SPM500Vendor:ENGINEQUESTRegular price $442.94 USDRegular priceUnit price / per$496.23 USDSale price $442.94 USDSale -
EngineQuest AMC 2.5L Cylinder Head EQ-CH150N
Part # EQ-CH150NVendor:ENGINEQUESTRegular price $424.49 USDRegular priceUnit price / per$570.00 USDSale price $424.49 USDSale -
EngineQuest Mazda FE F2 2.2L Cylinder Head EQ-CH122A
Part # EQ-CH122AVendor:ENGINEQUESTRegular price $418.64 USDRegular priceUnit price / per$469.50 USDSale price $418.64 USDSale -
EngineQuest Chrysler 4G63 8 Valve W/ Fuel Pump Hole EQ-CH124N
Part # EQ-CH124NVendor:ENGINEQUESTRegular price $415.64 USDRegular priceUnit price / per$466.20 USDSale price $415.64 USDSale -
EngineQuest Buick 1978-89 3.8L Buick Timing Cover EQ-TC231RN
Part # EQ-TC231RNVendor:ENGINEQUESTRegular price $398.64 USDRegular priceUnit price / per$447.50 USDSale price $398.64 USDSale