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Poly 318 dual - v8, plane
$285.00
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Fury 318 poly - 61, set
$150.00
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Complete mopar poly - 318, engine
$400.00
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Pistons rings 63 - &,
$609.91
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Poly 318 4bbl aluminum four - 4bbl,
$498.70
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Dodge plymouth mopar poly - dodge,
$499.95
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Mopar 318 poly cylinder heads - mopar,
$399.00
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Edelbrock p600 tri - edelbrock,
$1075.00
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Poly head 318 - head, valve
$12.49
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Poly 318 wide - poly,
$125.00
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1960 plymouth poly 318 - poly,
$299.99
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1959 plymouth dodge 318 - 1959-64,
$180.49
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Mopar poly 318 aluminum four - poly,
$450.00
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Pistons rings 58 - pistons, 59
$609.91
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1958 1959 1960 dodge 318 - dodge,
$225.00
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Engine 318 canada built fits - engine, 8-318
$790.05
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Nos mopar 1965 poly 318 - mopar,
$99.99
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Nors remanufactured mopar - nors,
$199.99
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318 poly 2x4 quads - 57,
$1400.00
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1959 1960 1961 dodge plymouth - 1960,
$35.00
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318 poly valve cover sold - 318,
$65.00
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Vrs gasket set for chrysler - set,
$182.94
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Dodge plymouth 318 - dodge/plymouth, poly
$506.40
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318 poly intake gasket set - poly,
$40.00
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Mopar 273 318 - , 273,
$189.99
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Plymouth 318 poly 1965 fan - plymouth,
$40.00
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Edelbrock aluminum finned - edelbrock,
$1400.00
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Nos trw s2185 exhaust valves - nos,
$75.00
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50s 80s dodge truck mopar - 50s,
$140.00
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1965 1966 dodge chrysler - 1965,
$225.00
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1959 dodge plymouth - 326, 4
$174.97
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1965 1967 coronet satellite - coronet,
$75.00
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Medium poly 318 engine - 318, air
$16.00
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Set exhaust valves for - exhaust,
$69.99
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Mopar poly 318 wide - a,
$989.99
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1957 plymouth 318 piston - 318,
$30.00
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1960 1961 plymouth dodge - 1960,
$75.00
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Mopar nos poly 318 - poly,
$174.99
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1965 coronet satellite - 66,
$65.00
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Pack 5x19 poly - 50,
$53.56
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Mopar nos poly 318 - 318, oil
$119.50
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1962 1967 mopar - 1962-1967,
$299.95
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New for mopar - new,
$150.00
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Intake exhaust valves locks - intake+exhaust, valves/16+locks
$229.78
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1956 ply 1959 dodge poly - 1956-66, ply,1959-66
$99.95
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Intake exhaust valves - valves, set/16
$195.20
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Engine kit - engine,
$1089.07
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Poly head 318 engine - head,
$14.99
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Nos mopar 1955 318 - mopar, poly
$39.00
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Rering engine kit rod - engine,
$251.60
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Oem early 1960s - early, truck
$19.99
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Valve cover gasket set - cover,
$40.00
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Mopar body poly 318 - poly, 2
$100.00
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Mopar compressor bracket - ,
$4.99
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Dodge plymouth 1956 1966 - dodge, 1956-1966
$29.99
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Pistons flat top set - pistons,
$586.96
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Fits poly 318 block valve - fits,
$34.95
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5x19 poly bubble - #6, 12.5x19
$28.95
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Poly 318 engine - 318,
$14.00
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Dodge 318 326 277 301 - , 303
$130.00
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Nos mopar 1957 1962 - nos, 58
$25.00
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Intake valves set for - intake,
$84.64
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Mallory 291 chrysler - yc-291-hp,
$75.00
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Rocker arms set for - rocker,
$349.12
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Poly 318 engine - 318,
$14.00
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Pistons flat top set for - pistons,
$586.96
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1956 1966 dodge plymouth - 1956-1966,
$190.00
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Mopar mystery bracket - ??,
$4.99
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Valve cover gaskets for - cover,
$27.88
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Pistons flat top set moly - top, set/8+moly
$621.20
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Mopar mystery bracket - mopar,
$4.99
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Rare vintage mcfarland - rare,
$800.00
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Nos mopar 1965 1967 plymouth - 1965-1967,
$79.95
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Intake rocker arm - rocker,
$24.99
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Mopar body poly - mopar, b
$75.00
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1962 1967 chrysler poly - chrysler, 318
$99.00
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Poly head 318 - head, 313
$8.00
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Pistons flat top - pistons, for
$586.96
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Vintage offenhauser - vintage,
$289.00
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Mopar mystery bracket - mopar,
$4.99
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5x19 poly bubble - 50,
$28.95
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1959 1960 1961 1962 1963 - , 1964
$100.00
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1955 dodge plymouth 8 - 1955-56, dodge/plymouth
$59.95
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1963 1965 mopar body motor - b,
$99.95
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Exhaust rocker arm - exhaust,
$24.99
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1956 plymouth dodge - 1956-57, plymouth/dodge
$35.00
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Fits 1958 mopar - fits,
$178.15
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1954 chrysler 301 poly - 301, poly/331
$30.00
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Mopar mystery bracket - ??,
$4.99
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Exhaust valves set for - valves, set/8
$124.64
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Mopar mystery bracket - mopar,
$4.99
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Nos mopar 1957 1968 277 - nos, 301
$175.00
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For 1959 mopar 318 poly - for, -'66
$24.95
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Pistons flat top set - pistons,
$621.20
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1964 plymouth sport fury - plymouth,
$199.99
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1405 600 carburetor for - carburetor,
$269.00
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Looking for more 318 poly?
Search eBay live — fresh results filtered for the best value, updated every hour.
Browse 96 318 poly listings currently in our index. Prices range from $4.99 to $1400, with an average of $232.78. Whether you are hunting for a bargain or looking for a top-spec model, the selection below covers all price points — new, used and refurbished. More about 318 poly →
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Whether you are looking for a brand-new or second-hand 318 poly, eBay offers one of the largest selections available online. With 96 active listings at the time of this page's last update, you have plenty of choice across different conditions, sellers and price points. The cheapest option currently starts at $4.99, while premium listings can reach $1400 — giving you a wide budget spread to work with. The average price of $232.78 can serve as a useful benchmark: listings below this tend to be used or auction-style, while those above often include extra accessories, warranties, or are sold by professional sellers with high feedback scores. Always check the seller's feedback rating and return policy before committing to a purchase. If you need the item quickly, filter by "Buy It Now" to avoid the uncertainty of auctions. For used items, look closely at the condition description and photos — terms like "good", "very good" and "like new" can mean very different things depending on the seller.