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S&S, superstock cylinder head. Black for Harley Davidson
S&S, superstock cylinder head. Black for Harley Davidson
Usual price
2,165.48 €
Usual price
Sale price
2,165.48 €
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by
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Black dust coating.
High -performance screw replacement original style for TWIN CAM models, compatible with original collectors, rocker and escape boxes.
The heads are 79 cc and have an admission valves of 1940 "diameter and exhaust of 1,575".
The head will handle an elevation of up to .650 "and is configured to be used with an admission TDC elevation of up to .186" and escape from .179 "in combination with original pistons.
This allows the use of S&S 510, 570 and 585 camshafts.
The heads can be covered up to 0.060 "to increase compression, but then verifications of the valve elevation slack are required.
The expected compression ratio for not modified heads with original pistons will be approximately 9.8 Cr (96 "), 10.2 Cr (103"), 11.1 Cr (103 "with emerging S&S pistons) and 10.8 cr (110 ").
The heads are complete with valve guides and springs installed.
Note: Compatible with standard rocker tapas, but S&S compression release cams must be used or easy S&S starting to retain easy electric start due to the highest compression ratio.
The heads are mechanized to accept compression releases and manual compression release caps are included.
Note: Not compatible with original rocker lid joints.
You must use the special set of rocker lid joints 532583 with original rocker tapas.
These are necessary for the correct breathing of the engine.
Compatible with:> 06-17 Twin Cam (Excl. TWIN-COOLED MODELS) (NU)
High -performance screw replacement original style for TWIN CAM models, compatible with original collectors, rocker and escape boxes.
The heads are 79 cc and have an admission valves of 1940 "diameter and exhaust of 1,575".
The head will handle an elevation of up to .650 "and is configured to be used with an admission TDC elevation of up to .186" and escape from .179 "in combination with original pistons.
This allows the use of S&S 510, 570 and 585 camshafts.
The heads can be covered up to 0.060 "to increase compression, but then verifications of the valve elevation slack are required.
The expected compression ratio for not modified heads with original pistons will be approximately 9.8 Cr (96 "), 10.2 Cr (103"), 11.1 Cr (103 "with emerging S&S pistons) and 10.8 cr (110 ").
The heads are complete with valve guides and springs installed.
Note: Compatible with standard rocker tapas, but S&S compression release cams must be used or easy S&S starting to retain easy electric start due to the highest compression ratio.
The heads are mechanized to accept compression releases and manual compression release caps are included.
Note: Not compatible with original rocker lid joints.
You must use the special set of rocker lid joints 532583 with original rocker tapas.
These are necessary for the correct breathing of the engine.
Compatible with:> 06-17 Twin Cam (Excl. TWIN-COOLED MODELS) (NU)
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