EST (Extreme Sealing Technology). With MLS (Multi-Layer-Steel) .040" thick head gaskets. The SLS (Single-Layer-Steel) cylinder base gaskets and SLS rocker cover gaskets used in these sets are .020" thick and have .001" of high temperature viton rubber coating on both sides. Kit comes with all gaskets; seals and o-ring for a complete top end rebuild. Fits Softail; Touring & Trike models with both oil cooled and water cooled heads.
With MLS (Multi-Layer-Steel) .030" thick head gaskets. The SLS (Single-Layer-Steel) cylinder base gaskets and SLS rocker cover gaskets used in these sets are .020" thick and have .001" of high temperature Viton rubber coating on both sides. Kit comes with all gaskets; seals and o-ring for a complete top end rebuild. Fits Softail; Touring & Trike models with both oil cooled and water cooled heads.
EST (Extreme Sealing Technology). With MLS (Multi-Layer-Steel) .040" thick head gaskets. The SLS (Single-Layer-Steel) cylinder base gaskets and SLS rocker cover gaskets used in these sets are .020" thick and have .001" of high temperature viton rubber coating on both sides. Kit comes with all gaskets; seals and o-ring for a complete top end rebuild. Fits Softail; Touring & Trike models with both oil cooled and water cooled heads.
EST (Extreme Sealing Technology). With MLS (Multi-Layer-Steel) .030" thick head gaskets. The SLS (Single-Layer-Steel) cylinder base gaskets and SLS rocker cover gaskets used in these sets are .020" thick and have .001" of high temperature viton rubber coating on both sides. Kit comes with all gaskets; seals and o-ring for a complete top end rebuild. Fits Softail; Touring & Trike models with both oil cooled and water cooled heads.
EST (Extreme Sealing Technology). With MLS (Multi-Layer-Steel) .040" thick head gaskets. The SLS (Single-Layer-Steel) cylinder base gaskets and SLS rocker cover gaskets used in these sets are .020" thick and have .001" of high temperature Viton rubber coating on both sides. Kit comes with all gaskets; seals and o-ring for a complete top end rebuild. Fits Softail; Touring & Trike models with both oil cooled and water cooled heads. Note: OEM H-D 117" and 121" engines come with a 4.075" bore.
EST (Extreme Sealing Technology). With MLS (Multi-Layer-Steel) .030" thick head gaskets. The SLS (Single-Layer-Steel) cylinder base gaskets and SLS rocker cover gaskets used in these sets are .020" thick and have .001" of high temperature Viton rubber coating on both sides. Kit comes with all gaskets; seals and o-ring for a complete top end rebuild. Fits Softail; Touring & Trike models with both oil cooled and water cooled heads. Note: OEM H-D 117" and 121" engines come with a 4.075" bore.
EST (Extreme Sealing Technology). With MLS (Multi-Layer-Steel) .040" thick head gaskets. The SLS (Single-Layer-Steel) cylinder base gaskets and SLS rocker cover gaskets used in these sets are .020" thick and have .001" of high temperature viton rubber coating on both sides. Kit comes with all gaskets; seals and o-ring for a complete top end rebuild. Note: Fits Softail; Touring & Trike models with both oil cooled and water cooled heads. The special design head & base gasket allows the gaskets to fit into the cylinder bore embossement... while even keeping the oil cooling port open on oil cooled heads. Note: With this gasket the 4.250" big bore size is a true bolt-on application for both oil & water cooled M8 models.
EST (Extreme Sealing Technology). With MLS (Multi-Layer-Steel) .030" thick head gaskets. The SLS (Single-Layer-Steel) cylinder base gaskets and SLS rocker cover gaskets used in these sets are .020" thick and have .001" of high temperature viton rubber coating on both sides. Kit comes with all gaskets; seals and o-ring for a complete top end rebuild. Note: Fits Softail; Touring & Trike models with both oil cooled and water cooled heads. The special design head & base gasket allows the gaskets to fit into the cylinder bore embossement... while even keeping the oil cooling port open on oil cooled heads. Note: With this gasket the 4.250" big bore size is a true bolt-on application for both oil & water cooled M8 models.
EST (Extreme Sealing Technology). With MLS (Multi-Layer-Steel) .040" thick head gaskets. The SLS (Single-Layer-Steel) cylinder base gaskets and SLS rocker cover gaskets used in these sets are .020" thick and have .001" of high temperature viton rubber coating on both sides. Kit comes with all gaskets; seals and o-ring for a complete top end rebuild. Note: Made with embossing for water cooled heads only. Note: Can be used up to 4.320" bore without mods or plugging the water cooled heads. Note: Oil cooled heads must always be plugged or welded on cylinder bores exceeding 4.250" since the oil cooling port is closer to the cylinder bore.
EST (Extreme Sealing Technology). With MLS (Multi-Layer-Steel) .040" thick head gaskets. The SLS (Single-Layer-Steel) cylinder base gaskets and SLS rocker cover gaskets used in these sets are .020" thick and have .001" of high temperature viton rubber coating on both sides. Kit comes with all gaskets; seals and o-ring for a complete top end rebuild. Note: No embossing on heads for water or oil cooling ports but for bore & oil drain only. Note: Heads must be plugged or welded in all cases.
.040" thick 3-3/4" bore PMLS (Multi Layer Steel) head gaskets. Includes all gaskets & seals for a complete engine rebuild. Without primary gaskets. Note: with 99-10 style head breather gaskets.
Standard size replacement. Dimensions: 1.615" head dia. x .3095" stem dia. Standard overall length. Severe Duty valves. Proven quality over many years. Manufactured from high temperature stainless alloy to a perfect finish. Manley valves feature swirl polished; performance orientated shapes and durable chrome plated stems. Up to 30% weight reduction over stock components. Manley''s ''Severe Duty'' valves insure a stable valve train; even at high R.P.M.''s. Note: Evo Big Twin intake valves are identical to 99-04 Twin Cam valves. Evo exhaust valves are 1.615"; Twin Cam 1.565" in diameter. Length is identical. 1.615" valves can be installed on stock seats of Twin Cam models; after valve seat machining. Information supplied by Manley Performance Products; Inc.
Standard size replacement. Dimensions: 1.565" head dia. x 0.3095" stem dia. Standard overall length. Severe Duty valves. Proven quality over many years. Manufactured from high temperature stainless alloy to a perfect finish. Manley valves feature swirl polished; performance orientated shapes and durable chrome plated stems. Up to 30% weight reduction over stock components. Manley''s ''Severe Duty'' valves insure a stable valve train; even at high R.P.M.''s.
Standard size replacement. Dimensions: 1.575" head dia. x .2755" stem dia. x 4.520" overall length. Race Master valves are manufactured of stainless XH-426 for exhaust and stainless NK-842 for intake and offer great ultimate tensile strength; combining superior quality at a competative price. Okay for stock or racing upto 8000 RPM.
Standard size replacement with oversized head. Dimensions: 1.65" head dia. x 0.3095" stem dia. Standard overall length. Severe Duty valves. Proven quality over many years. Manufactured from high temperature stainless alloy to a perfect finish. Manley valves feature swirl polished; performance orientated shapes and durable chrome plated stems. Up to 30% weight reduction over stock components. Manley''s ''Severe Duty'' valves insure a stable valve train; even at high R.P.M.''s. Note: Evo Big Twin intake valves are identical to 99-04 Twin Cam valves. Evo exhaust valves are 1.615"; Twin Cam 1.565" in diameter. Length is identical. 1.615" valves can be installed on stock seats of Twin Cam models; after valve seat machining. Information supplied by Manley Performance Products; Inc.
Standard size replacement with oversized head. Dimensions: 1.625" head dia. x .2755" stem dia. x 4.520" overall length. Race Master valves are manufactured of stainless XH-426 for exhaust and stainless NK-842 for intake and offer great ultimate tensile strength; combining superior quality at a competative price. Okay for stock or racing upto 8000 RPM.
.570" valve lift. Set includes two chain driven camshafts. A cam drive installation kit; that includes a gear cover gasket; cam bearings and retaining ring can be ordered separately as S&S (531691) or Andrews (503421). Cams can be run with stock hydraulic lifters. High lift version of the 31H cam. Much more power through the RPM range with 10:1+ CR. Use high-lift springs. 2800-5600 RPM.
Natural aluminum finish. O-ring style. Stock style; 3-5/8 big bore cylinder heads from S&S for 66-84 Shovelhead models. S&S heads are designed as stock replacement. Still; where stock heads flow about 124 cfm @ 10"; S&S heads do improve these figures somewhat and typically flow around 135 cfm @ 10". Heads come assembled with valves; springs; collars; valve guide seals; rocker cover and exhaust mount hardware etc. (excl. rocker arms and covers) and complete with cylinder head; rocker cover and exhaust gaskets. These heads are ready to run and will accept camshafts with a lift of up to .590".
S&S cast iron replacement cylinders for stock 1340cc Shovels. Stock 5.330" length cylinder set complete with hardware. Replaces 16494-78 + 16495-78 cylinders. Note: Cylinders must be finish bored and honed to fit stock size pistons. Pistons are not included.
Standard size replacement. Dimensions: 1.563" head dia. x .3385" stem dia. Standard overall length. Severe Duty valves. Proven quality over many years. Manufactured from high temperature stainless alloy to a perfect finish. Manley valves feature swirl polished; performance orientated shapes and durable chrome plated stems. Up to 30% weight reduction over stock components. Manley''s ''Severe Duty'' valves insure a stable valve train; even at high R.P.M.''s.
Standard size replacement. Dimensions: 1.75" head dia. x .3745" stem dia. standard overall length. Severe Duty valves. Proven quality over many years. Manufactured from high temperature stainless alloy to a perfect finish. Manley valves feature swirl polished; performance orientated shapes and durable chrome plated stems. Up to 30% weight reduction over stock components. Manley''s ''Severe Duty'' valves insure a stable valve train; even at high R.P.M.''s.
Standard size replacement. Dimensions: 1.345" head dia. x .3095" stem dia. Standard overall length. Severe Duty valves. Proven quality over many years. Manufactured from high temperature stainless alloy to a perfect finish. Manley valves feature swirl polished; performance orientated shapes and durable chrome plated stems. Up to 30% weight reduction over stock components. Manley''s ''Severe Duty'' valves insure a stable valve train; even at high R.P.M.''s.
Standard size replacement. Dimensions: 1.48" head dia. x .3095" stem dia. Standard overall length. Severe Duty valves. Proven quality over many years. Manufactured from high temperature stainless alloy to a perfect finish. Manley valves feature swirl polished; performance orientated shapes and durable chrome plated stems. Up to 30% weight reduction over stock components. Manley''s ''Severe Duty'' valves insure a stable valve train; even at high R.P.M.''s.
Quality replacement valves; lower priced than the Manley ''Severe Duty'' valves. Still offering a significant improvement over the OEM valve. Stainless steel construction with chrome plated stem and hardened tips. Excellent stock overhaul valve. Race Master valves are manufactured of stainless XH-426 for exhaust and stainless NK-842 for intake and offer great ultimate tensile strength; combining superior quality at a competative price. Okay for stock or racing upto 8000 RPM.
1.565" STD head diameter. Quality replacement valves; lower priced than the Manley ''Severe Duty'' valves. Still offering a significant improvement over the OEM valve. Stainless steel construction with chrome plated stem and hardened tips. Excellent stock overhaul valve. Race Master valves are manufactured of stainless XH-426 for exhaust and stainless NK-842 for intake and offer great ultimate tensile strength; combining superior quality at a competative price. Okay for stock or racing upto 8000 RPM.
Used for 883-1200 conversion. Valve length is same as stock 883 Sportster; valve head diameter is same as stock (larger) 1200cc Sportster models. This improves breathing so you can achieve full benefits from the 883 - 1200 conversion. Dimensions: 1.48" head dia. x .3095" stem dia. Standard overall length. Severe Duty valves. Proven quality over many years. Manufactured from high temperature stainless alloy to a perfect finish. Manley valves feature swirl polished; performance orientated shapes and durable chrome plated stems. Up to 30% weight reduction over stock components. Manley''s ''Severe Duty'' valves insure a stable valve train; even at high R.P.M.''s.
.040" MLS. 3.937" stock bore 107" M8 engines. OEM replacement reference 16500326. MLS (Multi Layer Steel) consists of a top and bottom layer of embossed stainless steel with both side coated with 250řC high temperature polymer rubber layer. The inner ring(s) are also stainless steel. The gasket layers are riveted together; outside the gasket surface; for ease of installation. The outer layers are embossed and both sides coated with a 250řC resistant polymer rubber layer. MLS head gaskets eliminate the use of any dowel pin O-rings.
.040" MLS (Multi Layer Steel). 4.016" bore. MLS (Multi Layer Steel) consists of a top and bottom layer of embossed stainless steel with both side coated with 250řC high temperature polymer rubber layer. The inner ring(s) are also stainless steel. The gasket layers are riveted together; outside the gasket surface; for ease of installation. The outer layers are embossed and both sides coated with a 250řC resistant polymer rubber layer. MLS head gaskets eliminate the use of any dowel pin O-rings.
.030" MLS (Multi Layer Steel). 4.016" bore. MLS (Multi Layer Steel) consists of a top and bottom layer of embossed stainless steel with both side coated with 250řC high temperature polymer rubber layer. The inner ring(s) are also stainless steel. The gasket layers are riveted together; outside the gasket surface; for ease of installation. The outer layers are embossed and both sides coated with a 250řC resistant polymer rubber layer. MLS head gaskets eliminate the use of any dowel pin O-rings.
.040" MLS (Multi Layer Steel). Gasket bore is 4.095"; compatible with OEM 117" M8 engines. MLS (Multi Layer Steel) consists of a top and bottom layer of embossed stainless steel with both side coated with 250řC high temperature polymer rubber layer. The inner ring(s) are also stainless steel. The gasket layers are riveted together; outside the gasket surface; for ease of installation. The outer layers are embossed and both sides coated with a 250řC resistant polymer rubber layer. MLS head gaskets eliminate the use of any dowel pin O-rings. OEM replacement reference 16500599