Just curious what the exact bore is of the 1981 srx 440? I found some cylinders and guy says they are from an 81 srx 440. He said they are 437? Any insight would be helpful. Also need to buy stock p istons if anyone knows of a manufacturer still offering these.
94max
New member
cylinders will say 8M6 on them
opsled
Active member
Yes they are 437cc.
1stgensrx
New member
Best and possibly the only place to go is wiseco. Ebay is your best friend now.
I just got 2 good cylinders on eBay and really need p istons now. What cc size is stock pistons?
vmax-540
Member
stock bore size is 66mm.