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S&S Cycle  |  SKU: FJHF_90-1293

Cylinder Heads - Twin Cam - 90-1293

$1,815.95

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Description
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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S&S Cycle

Cylinder Heads - Twin Cam - 90-1293

$1,815.95
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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  • Returns & exchanges

    All returns must be shipped back to our store 30 days from purchase to:

    Trails-North Powersports 200 E. Lead St. Bessemer, Mi. 49911 at the purchasers expense.

    All returns must be returned unused, without any evidence of damage and in the original packaging.

    Parts with defects from the manufacturer will be exchanged after we have received and inspected the issues in question. Shipping return costs will be reimbursed to the purchaser after the defective part has been returned and deemed to be a factory defect. There is a 20% restocking fee that will be deducted on all returned non defective merchandise.
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