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Pre-Evo – Engine & Gaskets

Engine components, gaskets, seals and related parts for Harley-Davidson Pre-Evolution classic models.

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MCS Replacement Cylinder 74" Shovelhead, Front – 1966–1978 74" (1200cc) Shovel

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MCS Replacement Cylinder 74" Shovelhead, Front – 1966–1978 74" (1200cc) Shovel Black painted stock replacement cast iron cylinder. Stock 3-7/16" bo...

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MCS Oil Pump Assembly – 1941–1947 Knucklehead; 1948–1965 Panhead

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MCS Oil Pump Assembly – 1941–1947 Knucklehead; 1948–1965 Panhead Reproduction early style oil pump for OEM style restaurations. With cast iron oute...

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MCS Rocker Arm, Rear Exhaust/Front Intake – 1984–2017 Big Twin; 1986–2022 XL…

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MCS Rocker Arm, Rear Exhaust/Front Intake – 1984–2017 Big Twin; 1986–2022 XL… OEM style replacement rocker arm. Repl. 17360-83A. Fitment 84-17 Big ...

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MCS Flywheel Washer SV, .098" (Outside) – 1932–1973 45" SV

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MCS Flywheel Washer SV, .098" (Outside) – 1932–1973 45" SV Flywheel washer SV, .098" (outside) Fitment 32-73 45" SV (NU) Product Details Brand: M...

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MCS Flywheel Washer SV, .094" (Outside) – 1932–1973 45" SV

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MCS Flywheel Washer SV, .094" (Outside) – 1932–1973 45" SV Flywheel washer SV, .094" (outside) Fitment 32-73 45" SV (NU) Product Details Brand: M...

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MCS Flywheel Washer SV, .082" (Outside) – 1932–1973 45'' SV

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MCS Flywheel Washer SV, .082" (Outside) – 1932–1973 45'' SV Flywheel washer SV, .082" (outside) Fitment 32-73 45'' SV (NU) Product Details Brand:...

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£25.35
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MCS Flywheel Washer SV, .070" (Outside) – 1932–1973 45" SV

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MCS Flywheel Washer SV, .070" (Outside) – 1932–1973 45" SV Flywheel washer SV, .070" (outside) Fitment 32-73 45" SV (NU) Product Details Brand: M...

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MCS Dowel Pin, Pinion/Cam Shaft Bushing – Pinion Shaft Bushing: 1936–1999 Big Twin…

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MCS Dowel Pin, Pinion/Cam Shaft Bushing – Pinion Shaft Bushing: 1936–1999 Big Twin… Pinion shaft Big Twin (2) & cam shaft Sportster (4). Dimens...

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MCS Thrust Washer, Pinion Shaft Bearing – 1958–1986 Big Twin

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MCS Thrust Washer, Pinion Shaft Bearing – 1958–1986 Big Twin Repl. 24692-58 Fitment 58-86 Big Twin (NU) Product Details Brand: MCS Category: MOT...

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MCS Washer, Sprocket Shaft Bearing – 1939–1973 45" SV

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MCS Washer, Sprocket Shaft Bearing – 1939–1973 45" SV Right case; 1 used Fitment 39-73 45" SV (NU) Product Details Brand: MCS Category: MOTOR PA...

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£23.68
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MCS Sprocket Shaft Spacer Shim. .180" – 1970–2002 Big Twin

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MCS Sprocket Shaft Spacer Shim. .180" – 1970–2002 Big Twin Used to shim-out primary belt pulley or the OEM shaft extension to line-out motor sprock...

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MCS Pinion Shaft Bushing. +.002" Od – 1939–1973 45" Flathead

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MCS Pinion Shaft Bushing. +.002" Od – 1939–1973 45" Flathead Steel. In crankcase Fitment 39-73 45" Flathead (NU) Product Details Brand: MCS Cate...

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£104.12
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Belt Drives Ltd. Bdl Mainshaft Bearing (Evo Kits)

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Belt Drives Ltd. Bdl Mainshaft Bearing (Evo Kits) Motorplate Belt Drive LTD 3" e-start; all evo kits Product Details Brand: Belt Drives Ltd. Cat...

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£43.12
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Belt Drives Ltd. Bdl Mainshaft Bearing (Shovel Kit)

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Belt Drives Ltd. Bdl Mainshaft Bearing (Shovel Kit) Belt Drive LTD; motorplate on 518591 3" E-start kit. Product Details Brand: Belt Drives Ltd. ...

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£87.97
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MCS Pinion Shaft Bushing. +.005" – 1958–1999 Big Twin

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MCS Pinion Shaft Bushing. +.005" – 1958–1999 Big Twin Steel. In crankcase. Standard size is 2.1270". 360° oiling. Note: The 93-99 B.T. pinion bushi...

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MCS Pinion Shaft Bushing. Std. Size – 1940–1954 OHV Big Twin

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MCS Pinion Shaft Bushing. Std. Size – 1940–1954 OHV Big Twin Steel. In crankcase. Fitment 40-54 OHV Big Twin (NU) Product Details Brand: MCS Cat...

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£87.97
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MCS Pinion Shaft Bushing. Std. Size – 1957–1976 XL Sportster

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MCS Pinion Shaft Bushing. Std. Size – 1957–1976 XL Sportster Steel. In crankcase. Fitment 57-76 XL Sportster (NU) Product Details Brand: MCS Cat...

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MCS Crankpin 29-73 Flathead – 1929–1973 All 45" (750cc) Flathead…

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MCS Crankpin 29-73 Flathead – 1929–1973 All 45" (750cc) Flathead… Replacement crankpin for OEM 23960-29 (348-29). Fitment 29-73 all 45" (750cc) Fla...

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£103.36
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£60.98
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Jims Machined Wrist Pin Bushing. +.005" – 1999–2006 Twin Cam

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Jims Machined Wrist Pin Bushing. +.005" – 1999–2006 Twin Cam 1.017" OD (+.005"). .927" ID. 100% machined bronze. Oversize replacement for OEM 24316...

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£60.13
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£52.15
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Jims Machined Wrist Pin Bushing. +.005" – 1936–1999 Big Twin

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Jims Machined Wrist Pin Bushing. +.005" – 1936–1999 Big Twin +.005" OD (stock OD is .8955"). Stock .792" ID. 100% machined bronze. Oversized versio...

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Jims Machined Wrist Pin Bushing. Std – 1936–1999 Big Twin

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Jims Machined Wrist Pin Bushing. Std – 1936–1999 Big Twin Stock .8955" OD .792" ID. 100% machined bronze. OEM style replacement for 24334-36. Fitme...

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Jims Machined Wrist Pin Bushing. Std – 1952–1956 K; KH; 1957–2022 XL Sportster…

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Jims Machined Wrist Pin Bushing. Std – 1952–1956 K; KH; 1957–2022 XL Sportster… Standard .8955" OD. 100% machined bronze. OEM style replacement for...

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MCS Pinion Shaft, 57-72 B.T – 1958–1972 Big Twin

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MCS Pinion Shaft, 57-72 B.T – 1958–1972 Big Twin Repl. 24006-58. Fitment 58-72 Big Twin (NU) Product Details Brand: MCS Category: MOTOR PARTS &g...

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MCS Sprocket Shaft Crankcase Bushing. +.005" – 1939–1973 45" (750cc) Flathead

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MCS Sprocket Shaft Crankcase Bushing. +.005" – 1939–1973 45" (750cc) Flathead Left side crankcase bearing race. Standard size is 1.753" OD. Fitment...

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