Super Stock Cylinder Heads［0930-0006］

Cylinder Heads - Twin Cam

Base Color：Black
Base Finish：Powder-Coated
Color/Finish：Powder-Coated/Wrinkle Black
Displacement：89 cc
Material：Aluminum
Model：Super Stock
Product Name：Cylinder Head Kit
Riding Style：Street
Units：Pair

partNumber：09300006

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High port flow gives great performance now， and more later when additional upgrades are done
Heads are fully assembled with springs and valves
Compression ratios vary depending on cylinder heads chosen， pistons used and engine displacement; see Compression Ratios chart for specifications
79cc heads work great with stock motors for 88” to 103” motors; 89cc heads work best for motors over 103” or with high-compression pop-up pistons
79cc have 1．940” intake and 1．575” exhaust valve and springs for up to ．640” lift; 89cc have 2．000” intake and 1．605” exhaust and ．640” springs
Heads are machined for compression releases unless noted otherwise (sold separately); S＆S rocker boxes required when using S＆S compression releases
Do not include rocker arm components， intake manifold or gaskets
Heads include four long headbolts， and reuse four long OEM headbolts
Accept OEM intake manifolds
Made in the U．S．A．
Must use S＆S rocker boxes (PART #90-4110) if S＆S compression releases are used．
Not compatible with Twin Cooled heads．

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