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HONDA Prelude III (BA) 1986-1996
Manufacturers
HONDA Prelude III (BA) 1986-1996
Subcategories
This page brings together the tri-metal bottom end bearings for the Honda Prelude III 2.0 BA4 rated at 106hp, engine code B20A3: big end bearings and main bearings from ACL RACE and KING RACING.
Both sets come in standard size, in standard size with extra HX running clearance and in 0.025mm, 0.026mm and 0.25mm undersizes, so a reground crankshaft stays with the same supplier. The KING RACING big end bearings also carry the pMaxKote anti-friction coating.
Same day despatch from our French stock.
The Honda Prelude III 2.0 EX BA4 rated at 109hp, engine code B20A3, finds here the three bearing families its bottom end needs: big end bearings, main bearings and a thrust washer set, all from ACL RACE or KING RACING.
Tri-metal takes the loads of a built engine where the original bi-metal gives up, and the thrust washers control crankshaft end float. The KING RACING big end bearings carry the pMaxKote anti-friction coating, which limits scuffing on a cold start.
Same day despatch from our French stock.
A B20A4 crankshaft that goes back to the machine shop never returns to its original size: that is why the big end and main bearings on this page, 114hp BA4, come in standard size and in 0.025mm, 0.026mm and 0.25mm undersizes.
ACL RACE goes as far as 0.25mm, KING RACING adds the intermediate 0.026mm size, and both offer the standard size with extra HX running clearance for a built engine. The thrust washer set completes the job in standard size.
Same day despatch from our French stock.
This is the page for the fuel injected 16V in BA2 bodywork, 137hp, engine code B20A1. It carries the main bearing line: tri-metal main bearings and a thrust washer set, from ACL RACE as well as KING RACING.
Thrust washers are the part everyone forgets, and they set crankshaft end float: too much of it and the clutch ends up working against the thrust face. The main bearings come in standard size, in standard size with extra HX running clearance, or in an undersize after regrinding.
The B20 big end bearings sit on the neighbouring Prelude III pages.
The B20A5 is the catalysed version of the Prelude III BA4 16V: the same 137hp on paper as the B20A1, but a different engine code, and so a page of its own.
You will find here the tri-metal main bearings and the thrust washer set, from ACL RACE and from KING RACING. Two fitting choices on the crankshaft: standard size for an engine close to original, standard size with extra HX running clearance once revs and oil temperature climb. Undersizes follow a reground crankshaft.
Same day despatch from our French stock.
On the 140hp 16V, engine code B20A9, the two positions on this page take either ACL RACE or KING RACING: tri-metal main bearings on one side, a thrust washer set on the other.
The difference is not about quality but about size coverage and surface treatment. ACL RACE goes as far as the 0.25mm undersize, KING RACING adds the intermediate 0.026mm size and offers the pMaxKote anti-friction coating across its range. Both are available in standard size with extra HX running clearance.
Same day despatch from our French stock.
At 150hp the B20A7 in BA5 bodywork is the hardest worked of the four Prelude III 16V engines, and the main bearing line is what takes the difference.
This page carries the tri-metal main bearings and the thrust washer set, from ACL RACE as well as KING RACING. On an engine that revs, the standard size with extra HX running clearance lets through a thicker oil film than the plain standard size. The KING RACING pMaxKote anti-friction coating targets the same moment: before oil pressure is up.
Same day despatch from our French stock.
Set of ACL RACE / KING RACING thrust washers for HONDA 1.5 1.6 1.8 2.0 2.2 2.3 2.4 engines
Big end bearing set, tri-metal, ACL Race / King Racing, for HONDA A18 A20 B16 B17 B18 B20 F18 F20
Tri-metal main bearings ACL RACE / KING RACING for HONDA B18A B20 B21 D16 D17 F23 H22
The HONDA Prelude III (BA) 1986-1996 is broken down here by engine code: B20A1, B20A3, B20A4, B20A5, B20A7 and B20A9, from 106 to 150hp, across the BA2, BA4 and BA5 bodies.
What is actually stocked covers the bottom end:
Three sets are enough to rebuild the bottom end of a B20A at OEM size, with race-grade bearing material.
