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Melling LS Double Roller Timing Chain Set, 1X Cam Sprocket

[Part # 48561T-9]

$165.18 Free Shipping Details

These Melling performance timing chain sets with CNC-machined sprockets offer a significant strength advantage over the factory LS timing chain and sprockets. This double roller chain set is extra strong and will fit with most OEM (except high-volume) pumps and Melling M295 and 10295 pumps with the factory front timing cover. Other high-volume pumps may require modification to the OEM front timing cover for clearance or an aftermarket front timing cover.

Features and Benefits

  • High-strength, .250" seamless double roller chain
  • CNC-machined billet steel sprockets
  • 9 keyway crank sprocket with +/- 8° of adjustment
  • Adjustable in 2° increments
  • 1X cam sprocket (works with 24x reluctor wheel only)
  • Press-fit Torrington roller thrust bearing for reduced friction
  • For three-bolt camshafts
  • Includes two oil pump spacer plates and mounting hardware
  • Clears non-VVT/DOD factory oil pumps, Melling M295 and Melling 10295 pumps without modification to the front cover. Other pumps may require minor modification to the front timing cover.
  • GM GEN III & IV LS and Vortec engines with 3-bolt camshafts and 24x reluctor wheels only.
  • Notes:
    • The 3-bolt cam sprocket in this timing set will not work with the OEM camshaft in some Gen IV engines which come with single bolt camshafts. It is generally preferable to upgrade to a 3-bolt camshaft as single-bolt camshafts are more prone to failure.
    • The 1X cam sprocket is designed to work on engines with a 24X reluctor wheel, which generally includes all Gen III V8 engines (LS1, LS6, LQ4, LQ9) and early Gen IV V8 engines (2005 LS2 Corvette, 2005-2006 LS2 GTO, 2005-2006 LS2 SSR). The GM 24X reluctor wheel part numbers are 12551520 or 12559353.
    • Gen III LS engines came with a timing sensor in the back of the block and a reluctor machined to the back of the camshaft itself. If upgrading to an aftermarket camshaft without a reluctor, you will have to upgrade to the LS2 timing cover, part # 12600325, which has the timing sensor built-in and use an extension to connect the sensor harness to the timing cover.

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