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Engine Components - Nissan/Datsun

Aluminum Roller Rocker Arms

Now in STOCK!

Roller RockersWhile racing in SCCA Production classes during the early 1980's, we recognized the need for quality aluminum roller rocker arms for small displacement, high-revving Nissan/Datsun and Triumph engines. To address this, we set out to develop a rocker arm design that lends itself to the most common ratios consistent with reliable valve train geometry and modern camshaft designs. Our roller rockers are bronze bushed and provide improved lubrication to the valve stem tip as well as 360 degree pressure oiling of both the roller tip and shaft surfaces. Rockers are sold in complete sets, mixed ratios and individual replacements. (see Tech Info for installation information)

Roller Rocker Kit Rocker Detail Rocker Detail
Roller Rocker Arm Kit Rocker Detail Rocker Detail


"A-Series": A-1200, A-12-A, A-1300, A-1400 and A-1500 4-Cyl.

Rocker Arm Ratio
Part Number (sets of 8)
Price
1.45 : 1 130-NAS-145 $495.00
1.50 : 1 130-NAS-150 $495.00
1.55 : 1 130-NAS-155 $495.00
1.60 : 1 130-NAS-160 $495.00
1.65 : 1 130-NAS-165 $495.00
1.45 - 1.65 :1 Replacements 130-NAS-(...I/E)-(1-4) $72.00
Notes:
  • When ordering individual replacement rocker arms, the part number must include the 3-digit ratio code and suffix I (for intake) or E (for exhaust) and the cylinder number (1-4) to allow correct identification of the required offset. Example: For a replacement 1.50:1 ratio exhaust valve rocker for No. 1 cylinder - order Part Number 130-NAS-150E-1
  • INSTALLATION NOTE: When installing a new set of rockers, we strongly recommend that a NEW rocker shaft and NEW adjuster screws be installed to insure proper tolerances and to reduce premature wear.

 



"R-Series": Roadster R1600 4-Cyl.

Rocker Arm Ratio
Part Number (sets of 8)
Price
1.45 : 1 130-NRS-145 $495.00
1.50 : 1 130-NRS-150 $495.00
1.55 : 1 130-NRS-155 $495.00
1.60 : 1 130-NRS-160 $495.00
1.65 : 1 130-NRS-165 $495.00
1.45 - 1.65 :1 Replacements 130-NRS-(...I/E)-(1-4) $72.00
Notes:
  • When ordering individual replacement rocker arms, the part number must include the 3-digit ratio code and suffix I (for intake) or E (for exhaust) and the cylinder number (1-4) to allow correct identification of the required offset. Example: For a replacement 1.60:1 ratio intake valve rocker for No. 2 cylinder - order Part Number 130-NRS-160I-2
  • INSTALLATION NOTE: When installing a new set of rockers, we strongly recommend that a NEW rocker shaft and NEW adjuster screws be installed to insure proper tolerances and to reduce premature wear.

 


Mushroom Lifters

Now in STOCK!

Our custom lifters for Nissan/Datsun A & R Series are designed for competition engine application. These lifters have an enlarged diameter head to assist in maintaining adequate and proper camshaft lobe contact necessary when aggressive racing cams are being used. They are also slightly lighter in weight than the OEM lifters which is critical to maintaining the valve train integrity in these hi-revving engines.
Lifter Set Replacement Lifter
PN 130-NAS-180
Lifter Set
PN 130-NAS-180R
Replacement Lifter

"A-Series": A-1200, A-12-A, A-1300, A-1400 and A-1500 4-Cyl.
"R-Series": R-1600 4-Cyl.

Motor Application
Part Number
Price
A-Series 130-NAS-180 (set of 8) $300.00
A-Series Individual Replacement 130-NAS-180R $42.00
R-Series 130-NRS-180 $300.00
R-Series Individual Replacement 130-NRS-180R $42.00
Notes:
  • JBR Competition lifters weigh only 57.0 grams each. Stock Nissan/Datsun camshaft lifters weigh 62.5 grams.
  • These lifters are fabricated from special Tool Steel and heat treated for durability. Lifters have large diameter mushroom heads designed for use with modern high lift/long duration racing camshafts.