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Stock Replacement Pistons

for Flatheads 750cc 1929-1973

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Stock Replacement Pistons

for Flatheads 750cc 1929-1973

Stock Replacement Pistons

for Flatheads 750cc 1929-1973

All OEM and identical aftermarket pistons for 45”/750 cc models 1929→ (except WR) have the same compression height. Different compression ratios are achived solely with different cylinder heads for the respective model group like D, R, W, WL, WLD, WLA etc. These range from 4.3:1 to 6.0:1.

The piston rings that come with the set do match the pistons, but do not always correspond exactly to the depicted type.

fits 45”/750cc models D, R, W and G 1929-1973
aluminum
nominal bore: 2-3/4 ”
with rings, wrist pin and snap rings

Item №

Version

Price incl. VAT*

unit

Availability in warehouse Germany

60-000

Ø 69.69 mm; Over-/Undersize: +0.000 ”; replaces OEM HD 22251-29

Ø 69.94 mm; Over-/Undersize: +0.010 ”; replaces OEM HD 22253-29

Ø 70.20 mm; Over-/Undersize: +0.020 ”; replaces OEM HD 22254-29

Ø 70.45 mm; Over-/Undersize: +0.030 ”; replaces OEM HD 22255-29

Ø 70.70 mm; Over-/Undersize: +0.040 ”; replaces OEM HD 22256-29

Ø 70.95 mm; Over-/Undersize: +0.050 ”; replaces OEM HD 22257-29

Ø 71.20 mm; Over-/Undersize: +0.060 ”; replaces OEM HD 22258-29

Ø 71.45 mm; Over-/Undersize: +0.070 ”; replaces OEM HD 22259-29

Ø 71.71 mm; Over-/Undersize: +0.080 ”

Ø 71.96 mm; Over-/Undersize: +0.090 ”

* The price includes German VAT (19% or reduced rate of 7% for Books).

Accessories:

Hastings Piston Rings OEM Pack - for 750cc from 1929-1973 with 1/16” Compression Rings, Standard

more …

Hastings Piston Rings OEM Pack - for 750cc from 1929-1973 with 3/32” Compression Rings, Standard

more …

Have any questions?

Our service team will be glad to help out: Mondays - Thursdays 08:00-17:00 CET, Fridays 08:00-16:00 CET, Phone: +49 / 931 250 61 16, eMail: service@wwag.com