Bone Breaker Performance

05/22/2026

Someone’s 144 kit is ready for shipping!
Stage 3 BBP 144
BBP billet cylinders
DP Forced induction pistons
DPT turbo 555 cam
Stage 3 gen 2 heads

This build should be a blast!
Thanks for picking BBP for your needs!

05/12/2026

Pic your poison! We got you covered from
Billet cylinders with ductile sleeves
140-144-148-150- 154
Soon 124-135 in couple months in billets

Standard cast with ductile sleeves
129-132-135-140-144-154-156-160

05/09/2026

Great job as always thanks for coining our products!

05/09/2026

Nice job! with factory SE heads
135 kit
Our 555 Tq cam
still turned out great! Thanks for the support !!!!

05/05/2026

160 M8 kits are available for NA and Forced Induction. Different compression can be made. Kits are custom made with Ductile liners. We recommend S&S cases when using these. Have to bore cases and use 4.5/8 crank standard HD rod length.
Pistons can be coated in house extra price . We also will have them in billet cylinders also. And stay tuned 170 kits are in development stages oh yeahhhh.

Please call or PM for prices.

04/24/2026

Customer getting our stage 3 billet 150 turbo top end kit.

150 BBP billet kit FI DP pistons -18 cc

Stage 3 gen 2 SE heads redone with plus 3 95 cc

Drago 555 turbo cam

Using a comp turbo 64/64 kit for his Harley 2024 bagger. Can’t wait to see what he does with it …

Compression set at 10.5 static
With cam 9.9.0 for boost

04/18/2026

Bone Breaker Big bore kits Forced Induction and Naturally Aspirated
Twin Cam and Milwaukee eight

M8 kits
120-124-128-132-135-144-148-154-158-160”-soon 170”

Billet kits are for M8 only right from 140-154 inch. We are working on 124-135 kits for billet street and race.

Twin cam kits
95-98-103-107-110-112-117-124”155 motors

Below our pics of our kits . Please call or pm for prices. These kits are custom ordered, made to your specs of what you need. Prices are subject to change depending on options and coatings that we offer..

04/18/2026

04/10/2026

Looking for an upgrade on your 121 4/58 stroke beast or 114-117 4.50 stroke 132 we gotcha covered
Our 132-135 drop in kits we have bolts right with stock heads and Modified heads for Boost applications or Naturally Aspirated motors ..2017-2026

Compression ratio from 10.5-11.9-12.3-12.5 to one

We do in house coating on pistons also
Just give us a shout PM or call 815-765-1790 Adam -815-904-7110 Chris for prices vary from application to application. These are custom built to order and remember these kids will slide right in stock cases they are required for bolt on.

03/29/2026

We got you covered on cylinder and pistons for whatever you need from cams head work exhaust chain drives motors Cranks you name it we have it. naturally aspirated to forced induction to Racing